Home / 472,669.20-709,003.80-157,085.10

Finding the Fourth Proportional to 472,669.20, 709,003.80 and 157,085.10

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Solution

The fourth proportional to 472,669.20, 709,003.80 and 157,085.10 is: 235,627.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,669.20 : 709,003.80 = 157,085.10 : x
  2. Step 2: Convert to fraction form
    472,669.20/709,003.80 = 157,085.10/x
  3. Step 3: Cross multiply
    472,669.20x = 709,003.80 × 157,085.10
  4. Step 4: Simplify right side
    472,669.20x = 111,373,932,823.38
  5. Step 5: Solve for x
    x = 111,373,932,823.38/472,669.20
  6. Step 6: Final answer
    x = 235,627.65

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Similar ratio
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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.