Home / 259,746.70-389,620.05-159,582.10

Finding the Fourth Proportional to 259,746.70, 389,620.05 and 159,582.10

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Solution

The fourth proportional to 259,746.70, 389,620.05 and 159,582.10 is: 239,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,746.70 : 389,620.05 = 159,582.10 : x
  2. Step 2: Convert to fraction form
    259,746.70/389,620.05 = 159,582.10/x
  3. Step 3: Cross multiply
    259,746.70x = 389,620.05 × 159,582.10
  4. Step 4: Simplify right side
    259,746.70x = 62,176,385,781.11
  5. Step 5: Solve for x
    x = 62,176,385,781.11/259,746.70
  6. Step 6: Final answer
    x = 239,373.15

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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.