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Finding the Fourth Proportional to 324,683.52, 448,061.95 and 181,443.53

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Solution

The fourth proportional to 324,683.52, 448,061.95 and 181,443.53 is: 250,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,683.52 : 448,061.95 = 181,443.53 : x
  2. Step 2: Convert to fraction form
    324,683.52/448,061.95 = 181,443.53/x
  3. Step 3: Cross multiply
    324,683.52x = 448,061.95 × 181,443.53
  4. Step 4: Simplify right side
    324,683.52x = 81,297,941,866.68
  5. Step 5: Solve for x
    x = 81,297,941,866.68/324,683.52
  6. Step 6: Final answer
    x = 250,391.34

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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.