Home / 321,923.20-482,882.40-97,283.20

Finding the Fourth Proportional to 321,923.20, 482,882.40 and 97,283.20

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Solution

The fourth proportional to 321,923.20, 482,882.40 and 97,283.20 is: 145,924.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,923.20 : 482,882.40 = 97,283.20 : x
  2. Step 2: Convert to fraction form
    321,923.20/482,882.40 = 97,283.20/x
  3. Step 3: Cross multiply
    321,923.20x = 482,882.40 × 97,283.20
  4. Step 4: Simplify right side
    321,923.20x = 46,976,345,095.68
  5. Step 5: Solve for x
    x = 46,976,345,095.68/321,923.20
  6. Step 6: Final answer
    x = 145,924.07

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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.