Home / 257,824.68-355,718.28-150,318.60

Finding the Fourth Proportional to 257,824.68, 355,718.28 and 150,318.60

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Solution

The fourth proportional to 257,824.68, 355,718.28 and 150,318.60 is: 207,393.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,824.68 : 355,718.28 = 150,318.60 : x
  2. Step 2: Convert to fraction form
    257,824.68/355,718.28 = 150,318.60/x
  3. Step 3: Cross multiply
    257,824.68x = 355,718.28 × 150,318.60
  4. Step 4: Simplify right side
    257,824.68x = 53,471,073,844.01
  5. Step 5: Solve for x
    x = 53,471,073,844.01/257,824.68
  6. Step 6: Final answer
    x = 207,393.16

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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.