Home / 272,916.60-408,986.10-201,280.20

Finding the Fourth Proportional to 272,916.60, 408,986.10 and 201,280.20

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Solution

The fourth proportional to 272,916.60, 408,986.10 and 201,280.20 is: 301,633.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,916.60 : 408,986.10 = 201,280.20 : x
  2. Step 2: Convert to fraction form
    272,916.60/408,986.10 = 201,280.20/x
  3. Step 3: Cross multiply
    272,916.60x = 408,986.10 × 201,280.20
  4. Step 4: Simplify right side
    272,916.60x = 82,320,804,005.22
  5. Step 5: Solve for x
    x = 82,320,804,005.22/272,916.60
  6. Step 6: Final answer
    x = 301,633.55

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1.5x scale

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.