Home / 276,698.99-382,020.89-225,833.07

Finding the Fourth Proportional to 276,698.99, 382,020.89 and 225,833.07

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Solution

The fourth proportional to 276,698.99, 382,020.89 and 225,833.07 is: 311,793.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,698.99 : 382,020.89 = 225,833.07 : x
  2. Step 2: Convert to fraction form
    276,698.99/382,020.89 = 225,833.07/x
  3. Step 3: Cross multiply
    276,698.99x = 382,020.89 × 225,833.07
  4. Step 4: Simplify right side
    276,698.99x = 86,272,949,263.67
  5. Step 5: Solve for x
    x = 86,272,949,263.67/276,698.99
  6. Step 6: Final answer
    x = 311,793.51

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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.