Home / 245,418.90-338,738.22-150,005.58

Finding the Fourth Proportional to 245,418.90, 338,738.22 and 150,005.58

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Solution

The fourth proportional to 245,418.90, 338,738.22 and 150,005.58 is: 207,044.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,418.90 : 338,738.22 = 150,005.58 : x
  2. Step 2: Convert to fraction form
    245,418.90/338,738.22 = 150,005.58/x
  3. Step 3: Cross multiply
    245,418.90x = 338,738.22 × 150,005.58
  4. Step 4: Simplify right side
    245,418.90x = 50,812,623,159.27
  5. Step 5: Solve for x
    x = 50,812,623,159.27/245,418.90
  6. Step 6: Final answer
    x = 207,044.46

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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.