Home / 442,158.60-662,849.10-264,736.20

Finding the Fourth Proportional to 442,158.60, 662,849.10 and 264,736.20

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Solution

The fourth proportional to 442,158.60, 662,849.10 and 264,736.20 is: 396,871.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,158.60 : 662,849.10 = 264,736.20 : x
  2. Step 2: Convert to fraction form
    442,158.60/662,849.10 = 264,736.20/x
  3. Step 3: Cross multiply
    442,158.60x = 662,849.10 × 264,736.20
  4. Step 4: Simplify right side
    442,158.60x = 175,480,151,907.42
  5. Step 5: Solve for x
    x = 175,480,151,907.42/442,158.60
  6. Step 6: Final answer
    x = 396,871.51

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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.