Home / 257,896,209.40-386,844,314.10-234,087,652.60

Finding the Fourth Proportional to 257,896,209.40, 386,844,314.10 and 234,087,652.60

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Solution

The fourth proportional to 257,896,209.40, 386,844,314.10 and 234,087,652.60 is: 351,131,478.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,896,209.40 : 386,844,314.10 = 234,087,652.60 : x
  2. Step 2: Convert to fraction form
    257,896,209.40/386,844,314.10 = 234,087,652.60/x
  3. Step 3: Cross multiply
    257,896,209.40x = 386,844,314.10 × 234,087,652.60
  4. Step 4: Simplify right side
    257,896,209.40x = 90,555,477,409,326,080
  5. Step 5: Solve for x
    x = 90,555,477,409,326,080/257,896,209.40
  6. Step 6: Final answer
    x = 351,131,478.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.