Home / 364,290.80-546,436.20-258,002.60

Finding the Fourth Proportional to 364,290.80, 546,436.20 and 258,002.60

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Solution

The fourth proportional to 364,290.80, 546,436.20 and 258,002.60 is: 387,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,290.80 : 546,436.20 = 258,002.60 : x
  2. Step 2: Convert to fraction form
    364,290.80/546,436.20 = 258,002.60/x
  3. Step 3: Cross multiply
    364,290.80x = 546,436.20 × 258,002.60
  4. Step 4: Simplify right side
    364,290.80x = 140,981,960,334.12
  5. Step 5: Solve for x
    x = 140,981,960,334.12/364,290.80
  6. Step 6: Final answer
    x = 387,003.90

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1.5x scale

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.