Home / 345,101.88-517,575.06-134,631.48

Finding the Fourth Proportional to 345,101.88, 517,575.06 and 134,631.48

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Solution

The fourth proportional to 345,101.88, 517,575.06 and 134,631.48 is: 201,916.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,101.88 : 517,575.06 = 134,631.48 : x
  2. Step 2: Convert to fraction form
    345,101.88/517,575.06 = 134,631.48/x
  3. Step 3: Cross multiply
    345,101.88x = 517,575.06 × 134,631.48
  4. Step 4: Simplify right side
    345,101.88x = 69,681,896,338.89
  5. Step 5: Solve for x
    x = 69,681,896,338.89/345,101.88
  6. Step 6: Final answer
    x = 201,916.88

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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.