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Finding the Fourth Proportional to 270,711.80, 404,915.70 and 242,833.40

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Solution

The fourth proportional to 270,711.80, 404,915.70 and 242,833.40 is: 363,216.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,711.80 : 404,915.70 = 242,833.40 : x
  2. Step 2: Convert to fraction form
    270,711.80/404,915.70 = 242,833.40/x
  3. Step 3: Cross multiply
    270,711.80x = 404,915.70 × 242,833.40
  4. Step 4: Simplify right side
    270,711.80x = 98,327,056,144.38
  5. Step 5: Solve for x
    x = 98,327,056,144.38/270,711.80
  6. Step 6: Final answer
    x = 363,216.74

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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.