Home / 212,446.98-318,737.88-62,688

Finding the Fourth Proportional to 212,446.98, 318,737.88 and 62,688

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Solution

The fourth proportional to 212,446.98, 318,737.88 and 62,688 is: 94,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,446.98 : 318,737.88 = 62,688 : x
  2. Step 2: Convert to fraction form
    212,446.98/318,737.88 = 62,688/x
  3. Step 3: Cross multiply
    212,446.98x = 318,737.88 × 62,688
  4. Step 4: Simplify right side
    212,446.98x = 19,981,040,221.44
  5. Step 5: Solve for x
    x = 19,981,040,221.44/212,446.98
  6. Step 6: Final answer
    x = 94,051.89

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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.