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Finding the Fourth Proportional to 245,862.60, 368,793.90 and 79,650.60

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Solution

The fourth proportional to 245,862.60, 368,793.90 and 79,650.60 is: 119,475.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,862.60 : 368,793.90 = 79,650.60 : x
  2. Step 2: Convert to fraction form
    245,862.60/368,793.90 = 79,650.60/x
  3. Step 3: Cross multiply
    245,862.60x = 368,793.90 × 79,650.60
  4. Step 4: Simplify right side
    245,862.60x = 29,374,655,411.34
  5. Step 5: Solve for x
    x = 29,374,655,411.34/245,862.60
  6. Step 6: Final answer
    x = 119,475.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.