Home / 572,154.92-858,292.32-212,424.20

Finding the Fourth Proportional to 572,154.92, 858,292.32 and 212,424.20

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Solution

The fourth proportional to 572,154.92, 858,292.32 and 212,424.20 is: 318,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,154.92 : 858,292.32 = 212,424.20 : x
  2. Step 2: Convert to fraction form
    572,154.92/858,292.32 = 212,424.20/x
  3. Step 3: Cross multiply
    572,154.92x = 858,292.32 × 212,424.20
  4. Step 4: Simplify right side
    572,154.92x = 182,322,059,442.14
  5. Step 5: Solve for x
    x = 182,322,059,442.14/572,154.92
  6. Step 6: Final answer
    x = 318,658.55

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1.5x scale

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.