Home / 242,799.91-335,176.69-172,994.21

Finding the Fourth Proportional to 242,799.91, 335,176.69 and 172,994.21

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Solution

The fourth proportional to 242,799.91, 335,176.69 and 172,994.21 is: 238,812.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,799.91 : 335,176.69 = 172,994.21 : x
  2. Step 2: Convert to fraction form
    242,799.91/335,176.69 = 172,994.21/x
  3. Step 3: Cross multiply
    242,799.91x = 335,176.69 × 172,994.21
  4. Step 4: Simplify right side
    242,799.91x = 57,983,627,345.69
  5. Step 5: Solve for x
    x = 57,983,627,345.69/242,799.91
  6. Step 6: Final answer
    x = 238,812.39

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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.