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Finding the Fourth Proportional to 348,777.40, 481,281.42 and 203,595.78

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Solution

The fourth proportional to 348,777.40, 481,281.42 and 203,595.78 is: 280,943.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,777.40 : 481,281.42 = 203,595.78 : x
  2. Step 2: Convert to fraction form
    348,777.40/481,281.42 = 203,595.78/x
  3. Step 3: Cross multiply
    348,777.40x = 481,281.42 × 203,595.78
  4. Step 4: Simplify right side
    348,777.40x = 97,986,866,104.41
  5. Step 5: Solve for x
    x = 97,986,866,104.41/348,777.40
  6. Step 6: Final answer
    x = 280,943.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.