Home / 345,560.22-518,126.49-134,950.50

Finding the Fourth Proportional to 345,560.22, 518,126.49 and 134,950.50

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Solution

The fourth proportional to 345,560.22, 518,126.49 and 134,950.50 is: 202,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,560.22 : 518,126.49 = 134,950.50 : x
  2. Step 2: Convert to fraction form
    345,560.22/518,126.49 = 134,950.50/x
  3. Step 3: Cross multiply
    345,560.22x = 518,126.49 × 134,950.50
  4. Step 4: Simplify right side
    345,560.22x = 69,921,428,888.75
  5. Step 5: Solve for x
    x = 69,921,428,888.75/345,560.22
  6. Step 6: Final answer
    x = 202,342.24

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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.