Home / 374,740.18-516,996.21-238,749.79

Finding the Fourth Proportional to 374,740.18, 516,996.21 and 238,749.79

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Solution

The fourth proportional to 374,740.18, 516,996.21 and 238,749.79 is: 329,382.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,740.18 : 516,996.21 = 238,749.79 : x
  2. Step 2: Convert to fraction form
    374,740.18/516,996.21 = 238,749.79/x
  3. Step 3: Cross multiply
    374,740.18x = 516,996.21 × 238,749.79
  4. Step 4: Simplify right side
    374,740.18x = 123,432,736,568.30
  5. Step 5: Solve for x
    x = 123,432,736,568.30/374,740.18
  6. Step 6: Final answer
    x = 329,382.18

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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.