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Finding the Fourth Proportional to 272,951.60, 409,038.60 and 201,315.20

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Solution

The fourth proportional to 272,951.60, 409,038.60 and 201,315.20 is: 301,686.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,951.60 : 409,038.60 = 201,315.20 : x
  2. Step 2: Convert to fraction form
    272,951.60/409,038.60 = 201,315.20/x
  3. Step 3: Cross multiply
    272,951.60x = 409,038.60 × 201,315.20
  4. Step 4: Simplify right side
    272,951.60x = 82,345,687,566.72
  5. Step 5: Solve for x
    x = 82,345,687,566.72/272,951.60
  6. Step 6: Final answer
    x = 301,686.04

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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.