Home / 261,231.57-391,852.21-74,247.93

Finding the Fourth Proportional to 261,231.57, 391,852.21 and 74,247.93

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Solution

The fourth proportional to 261,231.57, 391,852.21 and 74,247.93 is: 111,373.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,231.57 : 391,852.21 = 74,247.93 : x
  2. Step 2: Convert to fraction form
    261,231.57/391,852.21 = 74,247.93/x
  3. Step 3: Cross multiply
    261,231.57x = 391,852.21 × 74,247.93
  4. Step 4: Simplify right side
    261,231.57x = 29,094,215,458.43
  5. Step 5: Solve for x
    x = 29,094,215,458.43/261,231.57
  6. Step 6: Final answer
    x = 111,373.27

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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.