Home / 268,946.18-403,463.06-79,425.72

Finding the Fourth Proportional to 268,946.18, 403,463.06 and 79,425.72

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Solution

The fourth proportional to 268,946.18, 403,463.06 and 79,425.72 is: 119,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,946.18 : 403,463.06 = 79,425.72 : x
  2. Step 2: Convert to fraction form
    268,946.18/403,463.06 = 79,425.72/x
  3. Step 3: Cross multiply
    268,946.18x = 403,463.06 × 79,425.72
  4. Step 4: Simplify right side
    268,946.18x = 32,045,344,033.90
  5. Step 5: Solve for x
    x = 32,045,344,033.90/268,946.18
  6. Step 6: Final answer
    x = 119,151.51

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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.