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Finding the Fourth Proportional to 439,875.40, 659,681.34 and 229,398.44

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Solution

The fourth proportional to 439,875.40, 659,681.34 and 229,398.44 is: 344,028.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,875.40 : 659,681.34 = 229,398.44 : x
  2. Step 2: Convert to fraction form
    439,875.40/659,681.34 = 229,398.44/x
  3. Step 3: Cross multiply
    439,875.40x = 659,681.34 × 229,398.44
  4. Step 4: Simplify right side
    439,875.40x = 151,329,870,293.11
  5. Step 5: Solve for x
    x = 151,329,870,293.11/439,875.40
  6. Step 6: Final answer
    x = 344,028.95

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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.