Home / 637,844.12-956,434-238,156.20

Finding the Fourth Proportional to 637,844.12, 956,434 and 238,156.20

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Solution

The fourth proportional to 637,844.12, 956,434 and 238,156.20 is: 357,110.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,844.12 : 956,434 = 238,156.20 : x
  2. Step 2: Convert to fraction form
    637,844.12/956,434 = 238,156.20/x
  3. Step 3: Cross multiply
    637,844.12x = 956,434 × 238,156.20
  4. Step 4: Simplify right side
    637,844.12x = 227,780,686,990.80
  5. Step 5: Solve for x
    x = 227,780,686,990.80/637,844.12
  6. Step 6: Final answer
    x = 357,110.27

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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.