Home / 257,472.24-355,332.63-142,762.27

Finding the Fourth Proportional to 257,472.24, 355,332.63 and 142,762.27

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Solution

The fourth proportional to 257,472.24, 355,332.63 and 142,762.27 is: 197,023.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,472.24 : 355,332.63 = 142,762.27 : x
  2. Step 2: Convert to fraction form
    257,472.24/355,332.63 = 142,762.27/x
  3. Step 3: Cross multiply
    257,472.24x = 355,332.63 × 142,762.27
  4. Step 4: Simplify right side
    257,472.24x = 50,728,092,863.87
  5. Step 5: Solve for x
    x = 50,728,092,863.87/257,472.24
  6. Step 6: Final answer
    x = 197,023.54

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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.