Home / 299,091.32-448,721.74-121,725.62

Finding the Fourth Proportional to 299,091.32, 448,721.74 and 121,725.62

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Solution

The fourth proportional to 299,091.32, 448,721.74 and 121,725.62 is: 182,622.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,091.32 : 448,721.74 = 121,725.62 : x
  2. Step 2: Convert to fraction form
    299,091.32/448,721.74 = 121,725.62/x
  3. Step 3: Cross multiply
    299,091.32x = 448,721.74 × 121,725.62
  4. Step 4: Simplify right side
    299,091.32x = 54,620,931,600.23
  5. Step 5: Solve for x
    x = 54,620,931,600.23/299,091.32
  6. Step 6: Final answer
    x = 182,622.93

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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.