Home / 257,031.28-354,742.34-160,250.83

Finding the Fourth Proportional to 257,031.28, 354,742.34 and 160,250.83

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Solution

The fourth proportional to 257,031.28, 354,742.34 and 160,250.83 is: 221,170.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,031.28 : 354,742.34 = 160,250.83 : x
  2. Step 2: Convert to fraction form
    257,031.28/354,742.34 = 160,250.83/x
  3. Step 3: Cross multiply
    257,031.28x = 354,742.34 × 160,250.83
  4. Step 4: Simplify right side
    257,031.28x = 56,847,753,730.75
  5. Step 5: Solve for x
    x = 56,847,753,730.75/257,031.28
  6. Step 6: Final answer
    x = 221,170.57

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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.