Home / 220,712.93-331,072.43-62,941.40

Finding the Fourth Proportional to 220,712.93, 331,072.43 and 62,941.40

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Solution

The fourth proportional to 220,712.93, 331,072.43 and 62,941.40 is: 94,412.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,712.93 : 331,072.43 = 62,941.40 : x
  2. Step 2: Convert to fraction form
    220,712.93/331,072.43 = 62,941.40/x
  3. Step 3: Cross multiply
    220,712.93x = 331,072.43 × 62,941.40
  4. Step 4: Simplify right side
    220,712.93x = 20,838,160,275.53
  5. Step 5: Solve for x
    x = 20,838,160,275.53/220,712.93
  6. Step 6: Final answer
    x = 94,412.96

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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.