Home / 572,539.30-858,480.90-173,120.20

Finding the Fourth Proportional to 572,539.30, 858,480.90 and 173,120.20

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Solution

The fourth proportional to 572,539.30, 858,480.90 and 173,120.20 is: 259,581.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,539.30 : 858,480.90 = 173,120.20 : x
  2. Step 2: Convert to fraction form
    572,539.30/858,480.90 = 173,120.20/x
  3. Step 3: Cross multiply
    572,539.30x = 858,480.90 × 173,120.20
  4. Step 4: Simplify right side
    572,539.30x = 148,620,385,104.18
  5. Step 5: Solve for x
    x = 148,620,385,104.18/572,539.30
  6. Step 6: Final answer
    x = 259,581.11

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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.