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Finding the Fourth Proportional to 299,108.16, 448,727.04 and 88,740

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Solution

The fourth proportional to 299,108.16, 448,727.04 and 88,740 is: 133,129.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,108.16 : 448,727.04 = 88,740 : x
  2. Step 2: Convert to fraction form
    299,108.16/448,727.04 = 88,740/x
  3. Step 3: Cross multiply
    299,108.16x = 448,727.04 × 88,740
  4. Step 4: Simplify right side
    299,108.16x = 39,820,037,529.60
  5. Step 5: Solve for x
    x = 39,820,037,529.60/299,108.16
  6. Step 6: Final answer
    x = 133,129.22

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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.