Home / 266,921.02-400,445.70-109,149.40

Finding the Fourth Proportional to 266,921.02, 400,445.70 and 109,149.40

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Solution

The fourth proportional to 266,921.02, 400,445.70 and 109,149.40 is: 163,750.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,921.02 : 400,445.70 = 109,149.40 : x
  2. Step 2: Convert to fraction form
    266,921.02/400,445.70 = 109,149.40/x
  3. Step 3: Cross multiply
    266,921.02x = 400,445.70 × 109,149.40
  4. Step 4: Simplify right side
    266,921.02x = 43,708,407,887.58
  5. Step 5: Solve for x
    x = 43,708,407,887.58/266,921.02
  6. Step 6: Final answer
    x = 163,750.34

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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.