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Finding the Fourth Proportional to 201,452.57, 278,009.79 and 110,810.87

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Solution

The fourth proportional to 201,452.57, 278,009.79 and 110,810.87 is: 152,921.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,452.57 : 278,009.79 = 110,810.87 : x
  2. Step 2: Convert to fraction form
    201,452.57/278,009.79 = 110,810.87/x
  3. Step 3: Cross multiply
    201,452.57x = 278,009.79 × 110,810.87
  4. Step 4: Simplify right side
    201,452.57x = 30,806,506,698.42
  5. Step 5: Solve for x
    x = 30,806,506,698.42/201,452.57
  6. Step 6: Final answer
    x = 152,921.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.