Home / 217,860.20-326,547.30-84,696.20

Finding the Fourth Proportional to 217,860.20, 326,547.30 and 84,696.20

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Solution

The fourth proportional to 217,860.20, 326,547.30 and 84,696.20 is: 126,949.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,860.20 : 326,547.30 = 84,696.20 : x
  2. Step 2: Convert to fraction form
    217,860.20/326,547.30 = 84,696.20/x
  3. Step 3: Cross multiply
    217,860.20x = 326,547.30 × 84,696.20
  4. Step 4: Simplify right side
    217,860.20x = 27,657,315,430.26
  5. Step 5: Solve for x
    x = 27,657,315,430.26/217,860.20
  6. Step 6: Final answer
    x = 126,949.83

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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.