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Finding the Fourth Proportional to 259,608.88, 358,264.38 and 146,433.88

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Solution

The fourth proportional to 259,608.88, 358,264.38 and 146,433.88 is: 202,081.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,608.88 : 358,264.38 = 146,433.88 : x
  2. Step 2: Convert to fraction form
    259,608.88/358,264.38 = 146,433.88/x
  3. Step 3: Cross multiply
    259,608.88x = 358,264.38 × 146,433.88
  4. Step 4: Simplify right side
    259,608.88x = 52,462,043,229.19
  5. Step 5: Solve for x
    x = 52,462,043,229.19/259,608.88
  6. Step 6: Final answer
    x = 202,081.08

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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.