Home / 345,995.43-518,747.06-132,582.50

Finding the Fourth Proportional to 345,995.43, 518,747.06 and 132,582.50

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Solution

The fourth proportional to 345,995.43, 518,747.06 and 132,582.50 is: 198,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,995.43 : 518,747.06 = 132,582.50 : x
  2. Step 2: Convert to fraction form
    345,995.43/518,747.06 = 132,582.50/x
  3. Step 3: Cross multiply
    345,995.43x = 518,747.06 × 132,582.50
  4. Step 4: Simplify right side
    345,995.43x = 68,776,782,082.45
  5. Step 5: Solve for x
    x = 68,776,782,082.45/345,995.43
  6. Step 6: Final answer
    x = 198,779.45

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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.