Home / 256,427.22-384,657.24-98,655.70

Finding the Fourth Proportional to 256,427.22, 384,657.24 and 98,655.70

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Solution

The fourth proportional to 256,427.22, 384,657.24 and 98,655.70 is: 147,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,427.22 : 384,657.24 = 98,655.70 : x
  2. Step 2: Convert to fraction form
    256,427.22/384,657.24 = 98,655.70/x
  3. Step 3: Cross multiply
    256,427.22x = 384,657.24 × 98,655.70
  4. Step 4: Simplify right side
    256,427.22x = 37,948,629,272.27
  5. Step 5: Solve for x
    x = 37,948,629,272.27/256,427.22
  6. Step 6: Final answer
    x = 147,989.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.