Home / 245,931.28-369,049.74-222,267.40

Finding the Fourth Proportional to 245,931.28, 369,049.74 and 222,267.40

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Solution

The fourth proportional to 245,931.28, 369,049.74 and 222,267.40 is: 333,539.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,931.28 : 369,049.74 = 222,267.40 : x
  2. Step 2: Convert to fraction form
    245,931.28/369,049.74 = 222,267.40/x
  3. Step 3: Cross multiply
    245,931.28x = 369,049.74 × 222,267.40
  4. Step 4: Simplify right side
    245,931.28x = 82,027,726,180.48
  5. Step 5: Solve for x
    x = 82,027,726,180.48/245,931.28
  6. Step 6: Final answer
    x = 333,539.22

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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.