Home / 572,073.63-858,249.18-172,690.55

Finding the Fourth Proportional to 572,073.63, 858,249.18 and 172,690.55

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Solution

The fourth proportional to 572,073.63, 858,249.18 and 172,690.55 is: 259,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,073.63 : 858,249.18 = 172,690.55 : x
  2. Step 2: Convert to fraction form
    572,073.63/858,249.18 = 172,690.55/x
  3. Step 3: Cross multiply
    572,073.63x = 858,249.18 × 172,690.55
  4. Step 4: Simplify right side
    572,073.63x = 148,211,518,640.00
  5. Step 5: Solve for x
    x = 148,211,518,640.00/572,073.63
  6. Step 6: Final answer
    x = 259,077.70

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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.