Home / 572,079.92-858,092.06-212,320.85

Finding the Fourth Proportional to 572,079.92, 858,092.06 and 212,320.85

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Solution

The fourth proportional to 572,079.92, 858,092.06 and 212,320.85 is: 318,470.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,079.92 : 858,092.06 = 212,320.85 : x
  2. Step 2: Convert to fraction form
    572,079.92/858,092.06 = 212,320.85/x
  3. Step 3: Cross multiply
    572,079.92x = 858,092.06 × 212,320.85
  4. Step 4: Simplify right side
    572,079.92x = 182,190,831,797.79
  5. Step 5: Solve for x
    x = 182,190,831,797.79/572,079.92
  6. Step 6: Final answer
    x = 318,470.95

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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.