Home / 291,921.40-437,882.10-242,057.80

Finding the Fourth Proportional to 291,921.40, 437,882.10 and 242,057.80

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Solution

The fourth proportional to 291,921.40, 437,882.10 and 242,057.80 is: 363,086.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,921.40 : 437,882.10 = 242,057.80 : x
  2. Step 2: Convert to fraction form
    291,921.40/437,882.10 = 242,057.80/x
  3. Step 3: Cross multiply
    291,921.40x = 437,882.10 × 242,057.80
  4. Step 4: Simplify right side
    291,921.40x = 105,992,777,785.38
  5. Step 5: Solve for x
    x = 105,992,777,785.38/291,921.40
  6. Step 6: Final answer
    x = 363,086.70

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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.