Home / 198,270.60-297,600.30-98,543.40

Finding the Fourth Proportional to 198,270.60, 297,600.30 and 98,543.40

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Solution

The fourth proportional to 198,270.60, 297,600.30 and 98,543.40 is: 147,911.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,270.60 : 297,600.30 = 98,543.40 : x
  2. Step 2: Convert to fraction form
    198,270.60/297,600.30 = 98,543.40/x
  3. Step 3: Cross multiply
    198,270.60x = 297,600.30 × 98,543.40
  4. Step 4: Simplify right side
    198,270.60x = 29,326,545,403.02
  5. Step 5: Solve for x
    x = 29,326,545,403.02/198,270.60
  6. Step 6: Final answer
    x = 147,911.72

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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.