Home / 282,939.89-391,081.16-248,691.47

Finding the Fourth Proportional to 282,939.89, 391,081.16 and 248,691.47

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Solution

The fourth proportional to 282,939.89, 391,081.16 and 248,691.47 is: 343,742.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,939.89 : 391,081.16 = 248,691.47 : x
  2. Step 2: Convert to fraction form
    282,939.89/391,081.16 = 248,691.47/x
  3. Step 3: Cross multiply
    282,939.89x = 391,081.16 × 248,691.47
  4. Step 4: Simplify right side
    282,939.89x = 97,258,547,236.03
  5. Step 5: Solve for x
    x = 97,258,547,236.03/282,939.89
  6. Step 6: Final answer
    x = 343,742.80

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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.