Home / 272,103.30-407,348.55-202,292.10

Finding the Fourth Proportional to 272,103.30, 407,348.55 and 202,292.10

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Solution

The fourth proportional to 272,103.30, 407,348.55 and 202,292.10 is: 302,838.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,103.30 : 407,348.55 = 202,292.10 : x
  2. Step 2: Convert to fraction form
    272,103.30/407,348.55 = 202,292.10/x
  3. Step 3: Cross multiply
    272,103.30x = 407,348.55 × 202,292.10
  4. Step 4: Simplify right side
    272,103.30x = 82,403,393,611.46
  5. Step 5: Solve for x
    x = 82,403,393,611.46/272,103.30
  6. Step 6: Final answer
    x = 302,838.64

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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.