Home / 259,301.20-357,809.45-144,569.07

Finding the Fourth Proportional to 259,301.20, 357,809.45 and 144,569.07

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Solution

The fourth proportional to 259,301.20, 357,809.45 and 144,569.07 is: 199,490.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,301.20 : 357,809.45 = 144,569.07 : x
  2. Step 2: Convert to fraction form
    259,301.20/357,809.45 = 144,569.07/x
  3. Step 3: Cross multiply
    259,301.20x = 357,809.45 × 144,569.07
  4. Step 4: Simplify right side
    259,301.20x = 51,728,179,514.07
  5. Step 5: Solve for x
    x = 51,728,179,514.07/259,301.20
  6. Step 6: Final answer
    x = 199,490.71

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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.