Home / 364,621.80-546,932.70-127,988.40

Finding the Fourth Proportional to 364,621.80, 546,932.70 and 127,988.40

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Solution

The fourth proportional to 364,621.80, 546,932.70 and 127,988.40 is: 191,982.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,621.80 : 546,932.70 = 127,988.40 : x
  2. Step 2: Convert to fraction form
    364,621.80/546,932.70 = 127,988.40/x
  3. Step 3: Cross multiply
    364,621.80x = 546,932.70 × 127,988.40
  4. Step 4: Simplify right side
    364,621.80x = 70,001,041,180.68
  5. Step 5: Solve for x
    x = 70,001,041,180.68/364,621.80
  6. Step 6: Final answer
    x = 191,982.60

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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.