Home / 442,292.11-663,045.36-172,357.72

Finding the Fourth Proportional to 442,292.11, 663,045.36 and 172,357.72

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Solution

The fourth proportional to 442,292.11, 663,045.36 and 172,357.72 is: 258,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,292.11 : 663,045.36 = 172,357.72 : x
  2. Step 2: Convert to fraction form
    442,292.11/663,045.36 = 172,357.72/x
  3. Step 3: Cross multiply
    442,292.11x = 663,045.36 × 172,357.72
  4. Step 4: Simplify right side
    442,292.11x = 114,280,986,506.18
  5. Step 5: Solve for x
    x = 114,280,986,506.18/442,292.11
  6. Step 6: Final answer
    x = 258,383.51

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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.