Home / 293,685.60-440,545.14-83,307

Finding the Fourth Proportional to 293,685.60, 440,545.14 and 83,307

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Solution

The fourth proportional to 293,685.60, 440,545.14 and 83,307 is: 124,965.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,685.60 : 440,545.14 = 83,307 : x
  2. Step 2: Convert to fraction form
    293,685.60/440,545.14 = 83,307/x
  3. Step 3: Cross multiply
    293,685.60x = 440,545.14 × 83,307
  4. Step 4: Simplify right side
    293,685.60x = 36,700,493,977.98
  5. Step 5: Solve for x
    x = 36,700,493,977.98/293,685.60
  6. Step 6: Final answer
    x = 124,965.25

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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.