Home / 346,146.72-518,996.88-135,805.92

Finding the Fourth Proportional to 346,146.72, 518,996.88 and 135,805.92

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Solution

The fourth proportional to 346,146.72, 518,996.88 and 135,805.92 is: 203,621.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,146.72 : 518,996.88 = 135,805.92 : x
  2. Step 2: Convert to fraction form
    346,146.72/518,996.88 = 135,805.92/x
  3. Step 3: Cross multiply
    346,146.72x = 518,996.88 × 135,805.92
  4. Step 4: Simplify right side
    346,146.72x = 70,482,848,765.53
  5. Step 5: Solve for x
    x = 70,482,848,765.53/346,146.72
  6. Step 6: Final answer
    x = 203,621.31

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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.