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Finding the Fourth Proportional to 485,001.63, 727,502.58 and 148,044.20

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Solution

The fourth proportional to 485,001.63, 727,502.58 and 148,044.20 is: 222,066.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,001.63 : 727,502.58 = 148,044.20 : x
  2. Step 2: Convert to fraction form
    485,001.63/727,502.58 = 148,044.20/x
  3. Step 3: Cross multiply
    485,001.63x = 727,502.58 × 148,044.20
  4. Step 4: Simplify right side
    485,001.63x = 107,702,533,816.52
  5. Step 5: Solve for x
    x = 107,702,533,816.52/485,001.63
  6. Step 6: Final answer
    x = 222,066.33

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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.