Home / 268,783.40-370,921.16-147,924.65

Finding the Fourth Proportional to 268,783.40, 370,921.16 and 147,924.65

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Solution

The fourth proportional to 268,783.40, 370,921.16 and 147,924.65 is: 204,136.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,783.40 : 370,921.16 = 147,924.65 : x
  2. Step 2: Convert to fraction form
    268,783.40/370,921.16 = 147,924.65/x
  3. Step 3: Cross multiply
    268,783.40x = 370,921.16 × 147,924.65
  4. Step 4: Simplify right side
    268,783.40x = 54,868,382,030.97
  5. Step 5: Solve for x
    x = 54,868,382,030.97/268,783.40
  6. Step 6: Final answer
    x = 204,136.05

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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.