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Finding the Fourth Proportional to 637,449.43, 956,277.99 and 188,215.71

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Solution

The fourth proportional to 637,449.43, 956,277.99 and 188,215.71 is: 282,354.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,449.43 : 956,277.99 = 188,215.71 : x
  2. Step 2: Convert to fraction form
    637,449.43/956,277.99 = 188,215.71/x
  3. Step 3: Cross multiply
    637,449.43x = 956,277.99 × 188,215.71
  4. Step 4: Simplify right side
    637,449.43x = 179,986,540,845.22
  5. Step 5: Solve for x
    x = 179,986,540,845.22/637,449.43
  6. Step 6: Final answer
    x = 282,354.23

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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.