Home / 303,214.20-454,821.30-103,516.80

Finding the Fourth Proportional to 303,214.20, 454,821.30 and 103,516.80

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Solution

The fourth proportional to 303,214.20, 454,821.30 and 103,516.80 is: 155,275.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,214.20 : 454,821.30 = 103,516.80 : x
  2. Step 2: Convert to fraction form
    303,214.20/454,821.30 = 103,516.80/x
  3. Step 3: Cross multiply
    303,214.20x = 454,821.30 × 103,516.80
  4. Step 4: Simplify right side
    303,214.20x = 47,081,645,547.84
  5. Step 5: Solve for x
    x = 47,081,645,547.84/303,214.20
  6. Step 6: Final answer
    x = 155,275.20

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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.