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Finding the Fourth Proportional to 378,472.83, 567,066.60 and 228,397.76

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Solution

The fourth proportional to 378,472.83, 567,066.60 and 228,397.76 is: 342,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,472.83 : 567,066.60 = 228,397.76 : x
  2. Step 2: Convert to fraction form
    378,472.83/567,066.60 = 228,397.76/x
  3. Step 3: Cross multiply
    378,472.83x = 567,066.60 × 228,397.76
  4. Step 4: Simplify right side
    378,472.83x = 129,516,741,210.82
  5. Step 5: Solve for x
    x = 129,516,741,210.82/378,472.83
  6. Step 6: Final answer
    x = 342,208.82

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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.