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Finding the Fourth Proportional to 245,357.44, 338,598.73 and 149,916.76

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Solution

The fourth proportional to 245,357.44, 338,598.73 and 149,916.76 is: 206,888.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,357.44 : 338,598.73 = 149,916.76 : x
  2. Step 2: Convert to fraction form
    245,357.44/338,598.73 = 149,916.76/x
  3. Step 3: Cross multiply
    245,357.44x = 338,598.73 × 149,916.76
  4. Step 4: Simplify right side
    245,357.44x = 50,761,623,882.61
  5. Step 5: Solve for x
    x = 50,761,623,882.61/245,357.44
  6. Step 6: Final answer
    x = 206,888.47

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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.