Home / 442,030.77-663,242.18-231,618.69

Finding the Fourth Proportional to 442,030.77, 663,242.18 and 231,618.69

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Solution

The fourth proportional to 442,030.77, 663,242.18 and 231,618.69 is: 347,530.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,030.77 : 663,242.18 = 231,618.69 : x
  2. Step 2: Convert to fraction form
    442,030.77/663,242.18 = 231,618.69/x
  3. Step 3: Cross multiply
    442,030.77x = 663,242.18 × 231,618.69
  4. Step 4: Simplify right side
    442,030.77x = 153,619,283,726.25
  5. Step 5: Solve for x
    x = 153,619,283,726.25/442,030.77
  6. Step 6: Final answer
    x = 347,530.75

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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.