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Finding the Fourth Proportional to 230,571.66, 318,336.96 and 144,648.42

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Solution

The fourth proportional to 230,571.66, 318,336.96 and 144,648.42 is: 199,707.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,571.66 : 318,336.96 = 144,648.42 : x
  2. Step 2: Convert to fraction form
    230,571.66/318,336.96 = 144,648.42/x
  3. Step 3: Cross multiply
    230,571.66x = 318,336.96 × 144,648.42
  4. Step 4: Simplify right side
    230,571.66x = 46,046,938,291.60
  5. Step 5: Solve for x
    x = 46,046,938,291.60/230,571.66
  6. Step 6: Final answer
    x = 199,707.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.