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Finding the Fourth Proportional to 486,069.10, 729,103.65 and 308,047.30

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Solution

The fourth proportional to 486,069.10, 729,103.65 and 308,047.30 is: 462,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,069.10 : 729,103.65 = 308,047.30 : x
  2. Step 2: Convert to fraction form
    486,069.10/729,103.65 = 308,047.30/x
  3. Step 3: Cross multiply
    486,069.10x = 729,103.65 × 308,047.30
  4. Step 4: Simplify right side
    486,069.10x = 224,598,410,802.65
  5. Step 5: Solve for x
    x = 224,598,410,802.65/486,069.10
  6. Step 6: Final answer
    x = 462,070.95

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Similar ratio
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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.