Home / 350,862.20-525,515.70-271,719.80

Finding the Fourth Proportional to 350,862.20, 525,515.70 and 271,719.80

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Solution

The fourth proportional to 350,862.20, 525,515.70 and 271,719.80 is: 406,977.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,862.20 : 525,515.70 = 271,719.80 : x
  2. Step 2: Convert to fraction form
    350,862.20/525,515.70 = 271,719.80/x
  3. Step 3: Cross multiply
    350,862.20x = 525,515.70 × 271,719.80
  4. Step 4: Simplify right side
    350,862.20x = 142,793,020,900.86
  5. Step 5: Solve for x
    x = 142,793,020,900.86/350,862.20
  6. Step 6: Final answer
    x = 406,977.50

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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.