Home / 305,839.04-422,046.15-169,881.65

Finding the Fourth Proportional to 305,839.04, 422,046.15 and 169,881.65

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Solution

The fourth proportional to 305,839.04, 422,046.15 and 169,881.65 is: 234,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,839.04 : 422,046.15 = 169,881.65 : x
  2. Step 2: Convert to fraction form
    305,839.04/422,046.15 = 169,881.65/x
  3. Step 3: Cross multiply
    305,839.04x = 422,046.15 × 169,881.65
  4. Step 4: Simplify right side
    305,839.04x = 71,697,897,547.54
  5. Step 5: Solve for x
    x = 71,697,897,547.54/305,839.04
  6. Step 6: Final answer
    x = 234,430.17

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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.