Home / 251,553.31-377,329.96-172,427.65

Finding the Fourth Proportional to 251,553.31, 377,329.96 and 172,427.65

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Solution

The fourth proportional to 251,553.31, 377,329.96 and 172,427.65 is: 258,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,553.31 : 377,329.96 = 172,427.65 : x
  2. Step 2: Convert to fraction form
    251,553.31/377,329.96 = 172,427.65/x
  3. Step 3: Cross multiply
    251,553.31x = 377,329.96 × 172,427.65
  4. Step 4: Simplify right side
    251,553.31x = 65,062,115,528.61
  5. Step 5: Solve for x
    x = 65,062,115,528.61/251,553.31
  6. Step 6: Final answer
    x = 258,641.47

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1.5x scale

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.