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Finding the Fourth Proportional to 293,060.58, 439,591.95 and 71,444.58

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Solution

The fourth proportional to 293,060.58, 439,591.95 and 71,444.58 is: 107,167.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,060.58 : 439,591.95 = 71,444.58 : x
  2. Step 2: Convert to fraction form
    293,060.58/439,591.95 = 71,444.58/x
  3. Step 3: Cross multiply
    293,060.58x = 439,591.95 × 71,444.58
  4. Step 4: Simplify right side
    293,060.58x = 31,406,462,239.13
  5. Step 5: Solve for x
    x = 31,406,462,239.13/293,060.58
  6. Step 6: Final answer
    x = 107,167.13

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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.