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Finding the Fourth Proportional to 445,545.42, 614,885.27 and 254,554.71

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Solution

The fourth proportional to 445,545.42, 614,885.27 and 254,554.71 is: 351,304.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,545.42 : 614,885.27 = 254,554.71 : x
  2. Step 2: Convert to fraction form
    445,545.42/614,885.27 = 254,554.71/x
  3. Step 3: Cross multiply
    445,545.42x = 614,885.27 × 254,554.71
  4. Step 4: Simplify right side
    445,545.42x = 156,521,940,315.35
  5. Step 5: Solve for x
    x = 156,521,940,315.35/445,545.42
  6. Step 6: Final answer
    x = 351,304.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.