Home / 257,473.24-355,334.01-142,763.27

Finding the Fourth Proportional to 257,473.24, 355,334.01 and 142,763.27

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Solution

The fourth proportional to 257,473.24, 355,334.01 and 142,763.27 is: 197,024.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,473.24 : 355,334.01 = 142,763.27 : x
  2. Step 2: Convert to fraction form
    257,473.24/355,334.01 = 142,763.27/x
  3. Step 3: Cross multiply
    257,473.24x = 355,334.01 × 142,763.27
  4. Step 4: Simplify right side
    257,473.24x = 50,728,645,209.81
  5. Step 5: Solve for x
    x = 50,728,645,209.81/257,473.24
  6. Step 6: Final answer
    x = 197,024.92

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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.