Home / 348,201.60-522,340-148,543.12

Finding the Fourth Proportional to 348,201.60, 522,340 and 148,543.12

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Solution

The fourth proportional to 348,201.60, 522,340 and 148,543.12 is: 222,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,201.60 : 522,340 = 148,543.12 : x
  2. Step 2: Convert to fraction form
    348,201.60/522,340 = 148,543.12/x
  3. Step 3: Cross multiply
    348,201.60x = 522,340 × 148,543.12
  4. Step 4: Simplify right side
    348,201.60x = 77,590,013,300.80
  5. Step 5: Solve for x
    x = 77,590,013,300.80/348,201.60
  6. Step 6: Final answer
    x = 222,830.72

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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.