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Finding the Fourth Proportional to 243,702.11, 365,412.46 and 75,177.19

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Solution

The fourth proportional to 243,702.11, 365,412.46 and 75,177.19 is: 112,722.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,702.11 : 365,412.46 = 75,177.19 : x
  2. Step 2: Convert to fraction form
    243,702.11/365,412.46 = 75,177.19/x
  3. Step 3: Cross multiply
    243,702.11x = 365,412.46 × 75,177.19
  4. Step 4: Simplify right side
    243,702.11x = 27,470,681,933.79
  5. Step 5: Solve for x
    x = 27,470,681,933.79/243,702.11
  6. Step 6: Final answer
    x = 112,722.38

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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.