Home / 270,844.31-373,764.80-149,985.45

Finding the Fourth Proportional to 270,844.31, 373,764.80 and 149,985.45

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Solution

The fourth proportional to 270,844.31, 373,764.80 and 149,985.45 is: 206,979.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,844.31 : 373,764.80 = 149,985.45 : x
  2. Step 2: Convert to fraction form
    270,844.31/373,764.80 = 149,985.45/x
  3. Step 3: Cross multiply
    270,844.31x = 373,764.80 × 149,985.45
  4. Step 4: Simplify right side
    270,844.31x = 56,059,282,097.12
  5. Step 5: Solve for x
    x = 56,059,282,097.12/270,844.31
  6. Step 6: Final answer
    x = 206,979.73

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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.