Home / 308,306.10-462,459.15-223,669.20

Finding the Fourth Proportional to 308,306.10, 462,459.15 and 223,669.20

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Solution

The fourth proportional to 308,306.10, 462,459.15 and 223,669.20 is: 335,503.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,306.10 : 462,459.15 = 223,669.20 : x
  2. Step 2: Convert to fraction form
    308,306.10/462,459.15 = 223,669.20/x
  3. Step 3: Cross multiply
    308,306.10x = 462,459.15 × 223,669.20
  4. Step 4: Simplify right side
    308,306.10x = 103,437,868,113.18
  5. Step 5: Solve for x
    x = 103,437,868,113.18/308,306.10
  6. Step 6: Final answer
    x = 335,503.80

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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.