Home / 409,324.95-614,053.04-172,702.49

Finding the Fourth Proportional to 409,324.95, 614,053.04 and 172,702.49

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Solution

The fourth proportional to 409,324.95, 614,053.04 and 172,702.49 is: 259,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,324.95 : 614,053.04 = 172,702.49 : x
  2. Step 2: Convert to fraction form
    409,324.95/614,053.04 = 172,702.49/x
  3. Step 3: Cross multiply
    409,324.95x = 614,053.04 × 172,702.49
  4. Step 4: Simplify right side
    409,324.95x = 106,048,489,000.07
  5. Step 5: Solve for x
    x = 106,048,489,000.07/409,324.95
  6. Step 6: Final answer
    x = 259,081.42

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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.