Home / 257,494.04-355,346.05-142,777.52

Finding the Fourth Proportional to 257,494.04, 355,346.05 and 142,777.52

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Solution

The fourth proportional to 257,494.04, 355,346.05 and 142,777.52 is: 197,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,494.04 : 355,346.05 = 142,777.52 : x
  2. Step 2: Convert to fraction form
    257,494.04/355,346.05 = 142,777.52/x
  3. Step 3: Cross multiply
    257,494.04x = 355,346.05 × 142,777.52
  4. Step 4: Simplify right side
    257,494.04x = 50,735,427,760.80
  5. Step 5: Solve for x
    x = 50,735,427,760.80/257,494.04
  6. Step 6: Final answer
    x = 197,035.35

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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.