Home / 274,529.10-411,465.60-141,340.80

Finding the Fourth Proportional to 274,529.10, 411,465.60 and 141,340.80

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Solution

The fourth proportional to 274,529.10, 411,465.60 and 141,340.80 is: 211,842.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,529.10 : 411,465.60 = 141,340.80 : x
  2. Step 2: Convert to fraction form
    274,529.10/411,465.60 = 141,340.80/x
  3. Step 3: Cross multiply
    274,529.10x = 411,465.60 × 141,340.80
  4. Step 4: Simplify right side
    274,529.10x = 58,156,877,076.48
  5. Step 5: Solve for x
    x = 58,156,877,076.48/274,529.10
  6. Step 6: Final answer
    x = 211,842.30

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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.