Home / 411,321.27-617,197.05-168,342.70

Finding the Fourth Proportional to 411,321.27, 617,197.05 and 168,342.70

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Solution

The fourth proportional to 411,321.27, 617,197.05 and 168,342.70 is: 252,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,321.27 : 617,197.05 = 168,342.70 : x
  2. Step 2: Convert to fraction form
    411,321.27/617,197.05 = 168,342.70/x
  3. Step 3: Cross multiply
    411,321.27x = 617,197.05 × 168,342.70
  4. Step 4: Simplify right side
    411,321.27x = 103,900,617,829.04
  5. Step 5: Solve for x
    x = 103,900,617,829.04/411,321.27
  6. Step 6: Final answer
    x = 252,602.10

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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.