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Finding the Fourth Proportional to 308,001.90, 462,002.85 and 262,901.10

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Solution

The fourth proportional to 308,001.90, 462,002.85 and 262,901.10 is: 394,351.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,001.90 : 462,002.85 = 262,901.10 : x
  2. Step 2: Convert to fraction form
    308,001.90/462,002.85 = 262,901.10/x
  3. Step 3: Cross multiply
    308,001.90x = 462,002.85 × 262,901.10
  4. Step 4: Simplify right side
    308,001.90x = 121,461,057,468.14
  5. Step 5: Solve for x
    x = 121,461,057,468.14/308,001.90
  6. Step 6: Final answer
    x = 394,351.65

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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.