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Finding the Fourth Proportional to 187,200.80, 280,363.80 and 183,442.40

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Solution

The fourth proportional to 187,200.80, 280,363.80 and 183,442.40 is: 274,734.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,200.80 : 280,363.80 = 183,442.40 : x
  2. Step 2: Convert to fraction form
    187,200.80/280,363.80 = 183,442.40/x
  3. Step 3: Cross multiply
    187,200.80x = 280,363.80 × 183,442.40
  4. Step 4: Simplify right side
    187,200.80x = 51,430,608,345.12
  5. Step 5: Solve for x
    x = 51,430,608,345.12/187,200.80
  6. Step 6: Final answer
    x = 274,734.98

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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.