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Finding the Fourth Proportional to 279,045.40, 419,604.90 and 233,426.20

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Solution

The fourth proportional to 279,045.40, 419,604.90 and 233,426.20 is: 351,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,045.40 : 419,604.90 = 233,426.20 : x
  2. Step 2: Convert to fraction form
    279,045.40/419,604.90 = 233,426.20/x
  3. Step 3: Cross multiply
    279,045.40x = 419,604.90 × 233,426.20
  4. Step 4: Simplify right side
    279,045.40x = 97,946,777,308.38
  5. Step 5: Solve for x
    x = 97,946,777,308.38/279,045.40
  6. Step 6: Final answer
    x = 351,006.60

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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.