Home / 348,207.12-522,348.30-148,548.60

Finding the Fourth Proportional to 348,207.12, 522,348.30 and 148,548.60

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Solution

The fourth proportional to 348,207.12, 522,348.30 and 148,548.60 is: 222,838.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,207.12 : 522,348.30 = 148,548.60 : x
  2. Step 2: Convert to fraction form
    348,207.12/522,348.30 = 148,548.60/x
  3. Step 3: Cross multiply
    348,207.12x = 522,348.30 × 148,548.60
  4. Step 4: Simplify right side
    348,207.12x = 77,594,108,677.38
  5. Step 5: Solve for x
    x = 77,594,108,677.38/348,207.12
  6. Step 6: Final answer
    x = 222,838.95

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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.