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Finding the Fourth Proportional to 299,010.51, 448,439.36 and 88,599.24

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Solution

The fourth proportional to 299,010.51, 448,439.36 and 88,599.24 is: 132,876.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,010.51 : 448,439.36 = 88,599.24 : x
  2. Step 2: Convert to fraction form
    299,010.51/448,439.36 = 88,599.24/x
  3. Step 3: Cross multiply
    299,010.51x = 448,439.36 × 88,599.24
  4. Step 4: Simplify right side
    299,010.51x = 39,731,386,039.09
  5. Step 5: Solve for x
    x = 39,731,386,039.09/299,010.51
  6. Step 6: Final answer
    x = 132,876.22

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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.