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Finding the Fourth Proportional to 308,270.10, 462,405.15 and 97,929.30

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Solution

The fourth proportional to 308,270.10, 462,405.15 and 97,929.30 is: 146,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,270.10 : 462,405.15 = 97,929.30 : x
  2. Step 2: Convert to fraction form
    308,270.10/462,405.15 = 97,929.30/x
  3. Step 3: Cross multiply
    308,270.10x = 462,405.15 × 97,929.30
  4. Step 4: Simplify right side
    308,270.10x = 45,283,012,655.90
  5. Step 5: Solve for x
    x = 45,283,012,655.90/308,270.10
  6. Step 6: Final answer
    x = 146,893.95

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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.