Home / 261,327.20-360,658.32-153,931.04

Finding the Fourth Proportional to 261,327.20, 360,658.32 and 153,931.04

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Solution

The fourth proportional to 261,327.20, 360,658.32 and 153,931.04 is: 212,440.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,327.20 : 360,658.32 = 153,931.04 : x
  2. Step 2: Convert to fraction form
    261,327.20/360,658.32 = 153,931.04/x
  3. Step 3: Cross multiply
    261,327.20x = 360,658.32 × 153,931.04
  4. Step 4: Simplify right side
    261,327.20x = 55,516,510,282.25
  5. Step 5: Solve for x
    x = 55,516,510,282.25/261,327.20
  6. Step 6: Final answer
    x = 212,440.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.