Home / 572,223.40-858,335.10-172,925.80

Finding the Fourth Proportional to 572,223.40, 858,335.10 and 172,925.80

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Solution

The fourth proportional to 572,223.40, 858,335.10 and 172,925.80 is: 259,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,223.40 : 858,335.10 = 172,925.80 : x
  2. Step 2: Convert to fraction form
    572,223.40/858,335.10 = 172,925.80/x
  3. Step 3: Cross multiply
    572,223.40x = 858,335.10 × 172,925.80
  4. Step 4: Simplify right side
    572,223.40x = 148,428,283,835.58
  5. Step 5: Solve for x
    x = 148,428,283,835.58/572,223.40
  6. Step 6: Final answer
    x = 259,388.70

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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.