Home / 291,426.48-402,189.12-162,373.44

Finding the Fourth Proportional to 291,426.48, 402,189.12 and 162,373.44

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Solution

The fourth proportional to 291,426.48, 402,189.12 and 162,373.44 is: 224,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,426.48 : 402,189.12 = 162,373.44 : x
  2. Step 2: Convert to fraction form
    291,426.48/402,189.12 = 162,373.44/x
  3. Step 3: Cross multiply
    291,426.48x = 402,189.12 × 162,373.44
  4. Step 4: Simplify right side
    291,426.48x = 65,304,830,944.97
  5. Step 5: Solve for x
    x = 65,304,830,944.97/291,426.48
  6. Step 6: Final answer
    x = 224,086.81

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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.