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Finding the Fourth Proportional to 299,085, 448,627.38 and 88,721.10

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Solution

The fourth proportional to 299,085, 448,627.38 and 88,721.10 is: 133,081.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,085 : 448,627.38 = 88,721.10 : x
  2. Step 2: Convert to fraction form
    299,085/448,627.38 = 88,721.10/x
  3. Step 3: Cross multiply
    299,085x = 448,627.38 × 88,721.10
  4. Step 4: Simplify right side
    299,085x = 39,802,714,643.72
  5. Step 5: Solve for x
    x = 39,802,714,643.72/299,085
  6. Step 6: Final answer
    x = 133,081.61

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1.5x scale

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.