Home / 257,244.96-355,011.27-155,269.03

Finding the Fourth Proportional to 257,244.96, 355,011.27 and 155,269.03

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Solution

The fourth proportional to 257,244.96, 355,011.27 and 155,269.03 is: 214,279.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,244.96 : 355,011.27 = 155,269.03 : x
  2. Step 2: Convert to fraction form
    257,244.96/355,011.27 = 155,269.03/x
  3. Step 3: Cross multiply
    257,244.96x = 355,011.27 × 155,269.03
  4. Step 4: Simplify right side
    257,244.96x = 55,122,253,947.71
  5. Step 5: Solve for x
    x = 55,122,253,947.71/257,244.96
  6. Step 6: Final answer
    x = 214,279.23

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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.