Home / 282,515.18-423,776.25-82,839.51

Finding the Fourth Proportional to 282,515.18, 423,776.25 and 82,839.51

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Solution

The fourth proportional to 282,515.18, 423,776.25 and 82,839.51 is: 124,260.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,515.18 : 423,776.25 = 82,839.51 : x
  2. Step 2: Convert to fraction form
    282,515.18/423,776.25 = 82,839.51/x
  3. Step 3: Cross multiply
    282,515.18x = 423,776.25 × 82,839.51
  4. Step 4: Simplify right side
    282,515.18x = 35,105,416,899.64
  5. Step 5: Solve for x
    x = 35,105,416,899.64/282,515.18
  6. Step 6: Final answer
    x = 124,260.29

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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.