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Finding the Fourth Proportional to 495,057.76, 741,587.86 and 228,447.88

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Solution

The fourth proportional to 495,057.76, 741,587.86 and 228,447.88 is: 342,210.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,057.76 : 741,587.86 = 228,447.88 : x
  2. Step 2: Convert to fraction form
    495,057.76/741,587.86 = 228,447.88/x
  3. Step 3: Cross multiply
    495,057.76x = 741,587.86 × 228,447.88
  4. Step 4: Simplify right side
    495,057.76x = 169,414,174,450.74
  5. Step 5: Solve for x
    x = 169,414,174,450.74/495,057.76
  6. Step 6: Final answer
    x = 342,210.93

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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.