Home / 572,226.90-858,340.35-172,929.30

Finding the Fourth Proportional to 572,226.90, 858,340.35 and 172,929.30

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Solution

The fourth proportional to 572,226.90, 858,340.35 and 172,929.30 is: 259,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,226.90 : 858,340.35 = 172,929.30 : x
  2. Step 2: Convert to fraction form
    572,226.90/858,340.35 = 172,929.30/x
  3. Step 3: Cross multiply
    572,226.90x = 858,340.35 × 172,929.30
  4. Step 4: Simplify right side
    572,226.90x = 148,432,195,887.26
  5. Step 5: Solve for x
    x = 148,432,195,887.26/572,226.90
  6. Step 6: Final answer
    x = 259,393.95

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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.