Home / 266,025.28-398,599.44-238,588.96

Finding the Fourth Proportional to 266,025.28, 398,599.44 and 238,588.96

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Solution

The fourth proportional to 266,025.28, 398,599.44 and 238,588.96 is: 357,490.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,025.28 : 398,599.44 = 238,588.96 : x
  2. Step 2: Convert to fraction form
    266,025.28/398,599.44 = 238,588.96/x
  3. Step 3: Cross multiply
    266,025.28x = 398,599.44 × 238,588.96
  4. Step 4: Simplify right side
    266,025.28x = 95,101,425,846.18
  5. Step 5: Solve for x
    x = 95,101,425,846.18/266,025.28
  6. Step 6: Final answer
    x = 357,490.18

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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.