Home / 442,055.39-663,083.07-161,572.64

Finding the Fourth Proportional to 442,055.39, 663,083.07 and 161,572.64

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Solution

The fourth proportional to 442,055.39, 663,083.07 and 161,572.64 is: 242,358.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,055.39 : 663,083.07 = 161,572.64 : x
  2. Step 2: Convert to fraction form
    442,055.39/663,083.07 = 161,572.64/x
  3. Step 3: Cross multiply
    442,055.39x = 663,083.07 × 161,572.64
  4. Step 4: Simplify right side
    442,055.39x = 107,136,082,159.21
  5. Step 5: Solve for x
    x = 107,136,082,159.21/442,055.39
  6. Step 6: Final answer
    x = 242,358.95

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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.