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Finding the Fourth Proportional to 324,661.46, 448,024.23 and 181,422.68

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Solution

The fourth proportional to 324,661.46, 448,024.23 and 181,422.68 is: 250,358.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,661.46 : 448,024.23 = 181,422.68 : x
  2. Step 2: Convert to fraction form
    324,661.46/448,024.23 = 181,422.68/x
  3. Step 3: Cross multiply
    324,661.46x = 448,024.23 × 181,422.68
  4. Step 4: Simplify right side
    324,661.46x = 81,281,754,271.42
  5. Step 5: Solve for x
    x = 81,281,754,271.42/324,661.46
  6. Step 6: Final answer
    x = 250,358.50

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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.