Home / 281,837.61-422,717.54-155,710.89

Finding the Fourth Proportional to 281,837.61, 422,717.54 and 155,710.89

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Solution

The fourth proportional to 281,837.61, 422,717.54 and 155,710.89 is: 233,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,837.61 : 422,717.54 = 155,710.89 : x
  2. Step 2: Convert to fraction form
    281,837.61/422,717.54 = 155,710.89/x
  3. Step 3: Cross multiply
    281,837.61x = 422,717.54 × 155,710.89
  4. Step 4: Simplify right side
    281,837.61x = 65,821,723,593.46
  5. Step 5: Solve for x
    x = 65,821,723,593.46/281,837.61
  6. Step 6: Final answer
    x = 233,544.85

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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.