Home / 259,127.78-357,474.09-151,631.25

Finding the Fourth Proportional to 259,127.78, 357,474.09 and 151,631.25

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Solution

The fourth proportional to 259,127.78, 357,474.09 and 151,631.25 is: 209,179.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,127.78 : 357,474.09 = 151,631.25 : x
  2. Step 2: Convert to fraction form
    259,127.78/357,474.09 = 151,631.25/x
  3. Step 3: Cross multiply
    259,127.78x = 357,474.09 × 151,631.25
  4. Step 4: Simplify right side
    259,127.78x = 54,204,243,109.31
  5. Step 5: Solve for x
    x = 54,204,243,109.31/259,127.78
  6. Step 6: Final answer
    x = 209,179.60

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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.