Home / 259,113.31-357,605.32-144,402.43

Finding the Fourth Proportional to 259,113.31, 357,605.32 and 144,402.43

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Solution

The fourth proportional to 259,113.31, 357,605.32 and 144,402.43 is: 199,291.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,113.31 : 357,605.32 = 144,402.43 : x
  2. Step 2: Convert to fraction form
    259,113.31/357,605.32 = 144,402.43/x
  3. Step 3: Cross multiply
    259,113.31x = 357,605.32 × 144,402.43
  4. Step 4: Simplify right side
    259,113.31x = 51,639,077,188.93
  5. Step 5: Solve for x
    x = 51,639,077,188.93/259,113.31
  6. Step 6: Final answer
    x = 199,291.49

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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.