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Finding the Fourth Proportional to 259,118.32, 387,799.56 and 159,341.68

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Solution

The fourth proportional to 259,118.32, 387,799.56 and 159,341.68 is: 238,472.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,118.32 : 387,799.56 = 159,341.68 : x
  2. Step 2: Convert to fraction form
    259,118.32/387,799.56 = 159,341.68/x
  3. Step 3: Cross multiply
    259,118.32x = 387,799.56 × 159,341.68
  4. Step 4: Simplify right side
    259,118.32x = 61,792,633,393.66
  5. Step 5: Solve for x
    x = 61,792,633,393.66/259,118.32
  6. Step 6: Final answer
    x = 238,472.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.