Home / 282,757.32-423,563.10-130,738.35

Finding the Fourth Proportional to 282,757.32, 423,563.10 and 130,738.35

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Solution

The fourth proportional to 282,757.32, 423,563.10 and 130,738.35 is: 195,842.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,757.32 : 423,563.10 = 130,738.35 : x
  2. Step 2: Convert to fraction form
    282,757.32/423,563.10 = 130,738.35/x
  3. Step 3: Cross multiply
    282,757.32x = 423,563.10 × 130,738.35
  4. Step 4: Simplify right side
    282,757.32x = 55,375,940,814.89
  5. Step 5: Solve for x
    x = 55,375,940,814.89/282,757.32
  6. Step 6: Final answer
    x = 195,842.64

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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.