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Finding the Fourth Proportional to 234,929, 324,471.12 and 154,715.06

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Solution

The fourth proportional to 234,929, 324,471.12 and 154,715.06 is: 213,684.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,929 : 324,471.12 = 154,715.06 : x
  2. Step 2: Convert to fraction form
    234,929/324,471.12 = 154,715.06/x
  3. Step 3: Cross multiply
    234,929x = 324,471.12 × 154,715.06
  4. Step 4: Simplify right side
    234,929x = 50,200,568,799.07
  5. Step 5: Solve for x
    x = 50,200,568,799.07/234,929
  6. Step 6: Final answer
    x = 213,684.00

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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.