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Finding the Fourth Proportional to 295,895.49, 443,846.48 and 85,535.25

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Solution

The fourth proportional to 295,895.49, 443,846.48 and 85,535.25 is: 128,303.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,895.49 : 443,846.48 = 85,535.25 : x
  2. Step 2: Convert to fraction form
    295,895.49/443,846.48 = 85,535.25/x
  3. Step 3: Cross multiply
    295,895.49x = 443,846.48 × 85,535.25
  4. Step 4: Simplify right side
    295,895.49x = 37,964,519,200.74
  5. Step 5: Solve for x
    x = 37,964,519,200.74/295,895.49
  6. Step 6: Final answer
    x = 128,303.81

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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.