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Finding the Fourth Proportional to 308,337.54, 462,407.88 and 97,926.26

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Solution

The fourth proportional to 308,337.54, 462,407.88 and 97,926.26 is: 146,858.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,337.54 : 462,407.88 = 97,926.26 : x
  2. Step 2: Convert to fraction form
    308,337.54/462,407.88 = 97,926.26/x
  3. Step 3: Cross multiply
    308,337.54x = 462,407.88 × 97,926.26
  4. Step 4: Simplify right side
    308,337.54x = 45,281,874,282.93
  5. Step 5: Solve for x
    x = 45,281,874,282.93/308,337.54
  6. Step 6: Final answer
    x = 146,858.13

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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.