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Finding the Fourth Proportional to 299,307.29, 448,950 and 88,939.76

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Solution

The fourth proportional to 299,307.29, 448,950 and 88,939.76 is: 133,406.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,307.29 : 448,950 = 88,939.76 : x
  2. Step 2: Convert to fraction form
    299,307.29/448,950 = 88,939.76/x
  3. Step 3: Cross multiply
    299,307.29x = 448,950 × 88,939.76
  4. Step 4: Simplify right side
    299,307.29x = 39,929,506,374.38
  5. Step 5: Solve for x
    x = 39,929,506,374.38/299,307.29
  6. Step 6: Final answer
    x = 133,406.39

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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.