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Finding the Fourth Proportional to 295,763.40, 443,645.10 and 245,899.80

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Solution

The fourth proportional to 295,763.40, 443,645.10 and 245,899.80 is: 368,849.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,763.40 : 443,645.10 = 245,899.80 : x
  2. Step 2: Convert to fraction form
    295,763.40/443,645.10 = 245,899.80/x
  3. Step 3: Cross multiply
    295,763.40x = 443,645.10 × 245,899.80
  4. Step 4: Simplify right side
    295,763.40x = 109,092,241,360.98
  5. Step 5: Solve for x
    x = 109,092,241,360.98/295,763.40
  6. Step 6: Final answer
    x = 368,849.70

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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.