Home / 259,399.32-357,910.11-157,422.51

Finding the Fourth Proportional to 259,399.32, 357,910.11 and 157,422.51

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Solution

The fourth proportional to 259,399.32, 357,910.11 and 157,422.51 is: 217,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,399.32 : 357,910.11 = 157,422.51 : x
  2. Step 2: Convert to fraction form
    259,399.32/357,910.11 = 157,422.51/x
  3. Step 3: Cross multiply
    259,399.32x = 357,910.11 × 157,422.51
  4. Step 4: Simplify right side
    259,399.32x = 56,343,107,870.58
  5. Step 5: Solve for x
    x = 56,343,107,870.58/259,399.32
  6. Step 6: Final answer
    x = 217,206.07

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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.