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Finding the Fourth Proportional to 295,485.62, 443,476.40 and 153,418.10

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Solution

The fourth proportional to 295,485.62, 443,476.40 and 153,418.10 is: 230,255.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,485.62 : 443,476.40 = 153,418.10 : x
  2. Step 2: Convert to fraction form
    295,485.62/443,476.40 = 153,418.10/x
  3. Step 3: Cross multiply
    295,485.62x = 443,476.40 × 153,418.10
  4. Step 4: Simplify right side
    295,485.62x = 68,037,306,682.84
  5. Step 5: Solve for x
    x = 68,037,306,682.84/295,485.62
  6. Step 6: Final answer
    x = 230,255.90

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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.