Home / 305,448.36-457,680.06-165,273

Finding the Fourth Proportional to 305,448.36, 457,680.06 and 165,273

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Solution

The fourth proportional to 305,448.36, 457,680.06 and 165,273 is: 247,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,448.36 : 457,680.06 = 165,273 : x
  2. Step 2: Convert to fraction form
    305,448.36/457,680.06 = 165,273/x
  3. Step 3: Cross multiply
    305,448.36x = 457,680.06 × 165,273
  4. Step 4: Simplify right side
    305,448.36x = 75,642,156,556.38
  5. Step 5: Solve for x
    x = 75,642,156,556.38/305,448.36
  6. Step 6: Final answer
    x = 247,643.03

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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.