Home / 261,200.90-392,636.55-242,711.30

Finding the Fourth Proportional to 261,200.90, 392,636.55 and 242,711.30

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Solution

The fourth proportional to 261,200.90, 392,636.55 and 242,711.30 is: 364,843.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,200.90 : 392,636.55 = 242,711.30 : x
  2. Step 2: Convert to fraction form
    261,200.90/392,636.55 = 242,711.30/x
  3. Step 3: Cross multiply
    261,200.90x = 392,636.55 × 242,711.30
  4. Step 4: Simplify right side
    261,200.90x = 95,297,327,478.02
  5. Step 5: Solve for x
    x = 95,297,327,478.02/261,200.90
  6. Step 6: Final answer
    x = 364,843.03

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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.