Home / 282,972.33-391,061.88-231,904.53

Finding the Fourth Proportional to 282,972.33, 391,061.88 and 231,904.53

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Solution

The fourth proportional to 282,972.33, 391,061.88 and 231,904.53 is: 320,487.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,972.33 : 391,061.88 = 231,904.53 : x
  2. Step 2: Convert to fraction form
    282,972.33/391,061.88 = 231,904.53/x
  3. Step 3: Cross multiply
    282,972.33x = 391,061.88 × 231,904.53
  4. Step 4: Simplify right side
    282,972.33x = 90,689,021,482.32
  5. Step 5: Solve for x
    x = 90,689,021,482.32/282,972.33
  6. Step 6: Final answer
    x = 320,487.24

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1.5x scale

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.