Home / 302,680.20-453,696.30-102,815.40

Finding the Fourth Proportional to 302,680.20, 453,696.30 and 102,815.40

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Solution

The fourth proportional to 302,680.20, 453,696.30 and 102,815.40 is: 154,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,680.20 : 453,696.30 = 102,815.40 : x
  2. Step 2: Convert to fraction form
    302,680.20/453,696.30 = 102,815.40/x
  3. Step 3: Cross multiply
    302,680.20x = 453,696.30 × 102,815.40
  4. Step 4: Simplify right side
    302,680.20x = 46,646,966,563.02
  5. Step 5: Solve for x
    x = 46,646,966,563.02/302,680.20
  6. Step 6: Final answer
    x = 154,113.04

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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.