Home / 257,829.18-355,724.49-150,323.10

Finding the Fourth Proportional to 257,829.18, 355,724.49 and 150,323.10

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Solution

The fourth proportional to 257,829.18, 355,724.49 and 150,323.10 is: 207,399.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,829.18 : 355,724.49 = 150,323.10 : x
  2. Step 2: Convert to fraction form
    257,829.18/355,724.49 = 150,323.10/x
  3. Step 3: Cross multiply
    257,829.18x = 355,724.49 × 150,323.10
  4. Step 4: Simplify right side
    257,829.18x = 53,473,608,082.72
  5. Step 5: Solve for x
    x = 53,473,608,082.72/257,829.18
  6. Step 6: Final answer
    x = 207,399.36

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1.5x scale

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.