Home / 348,557.70-522,731.85-123,888.60

Finding the Fourth Proportional to 348,557.70, 522,731.85 and 123,888.60

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Solution

The fourth proportional to 348,557.70, 522,731.85 and 123,888.60 is: 185,795.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,557.70 : 522,731.85 = 123,888.60 : x
  2. Step 2: Convert to fraction form
    348,557.70/522,731.85 = 123,888.60/x
  3. Step 3: Cross multiply
    348,557.70x = 522,731.85 × 123,888.60
  4. Step 4: Simplify right side
    348,557.70x = 64,760,517,071.91
  5. Step 5: Solve for x
    x = 64,760,517,071.91/348,557.70
  6. Step 6: Final answer
    x = 185,795.69

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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.