Home / 477,134.20-715,701.30-228,302.20

Finding the Fourth Proportional to 477,134.20, 715,701.30 and 228,302.20

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Solution

The fourth proportional to 477,134.20, 715,701.30 and 228,302.20 is: 342,453.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,134.20 : 715,701.30 = 228,302.20 : x
  2. Step 2: Convert to fraction form
    477,134.20/715,701.30 = 228,302.20/x
  3. Step 3: Cross multiply
    477,134.20x = 715,701.30 × 228,302.20
  4. Step 4: Simplify right side
    477,134.20x = 163,396,181,332.86
  5. Step 5: Solve for x
    x = 163,396,181,332.86/477,134.20
  6. Step 6: Final answer
    x = 342,453.30

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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.