Home / 443,212.28-611,681.10-273,442.04

Finding the Fourth Proportional to 443,212.28, 611,681.10 and 273,442.04

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Solution

The fourth proportional to 443,212.28, 611,681.10 and 273,442.04 is: 377,379.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,212.28 : 611,681.10 = 273,442.04 : x
  2. Step 2: Convert to fraction form
    443,212.28/611,681.10 = 273,442.04/x
  3. Step 3: Cross multiply
    443,212.28x = 611,681.10 × 273,442.04
  4. Step 4: Simplify right side
    443,212.28x = 167,259,327,813.44
  5. Step 5: Solve for x
    x = 167,259,327,813.44/443,212.28
  6. Step 6: Final answer
    x = 377,379.72

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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.