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Finding the Fourth Proportional to 243,988.86, 365,795.76 and 123,947.12

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Solution

The fourth proportional to 243,988.86, 365,795.76 and 123,947.12 is: 185,825.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,988.86 : 365,795.76 = 123,947.12 : x
  2. Step 2: Convert to fraction form
    243,988.86/365,795.76 = 123,947.12/x
  3. Step 3: Cross multiply
    243,988.86x = 365,795.76 × 123,947.12
  4. Step 4: Simplify right side
    243,988.86x = 45,339,330,960.21
  5. Step 5: Solve for x
    x = 45,339,330,960.21/243,988.86
  6. Step 6: Final answer
    x = 185,825.41

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1.5x scale

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.