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Finding the Fourth Proportional to 301,516, 452,304.96 and 79,900

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Solution

The fourth proportional to 301,516, 452,304.96 and 79,900 is: 119,858.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,516 : 452,304.96 = 79,900 : x
  2. Step 2: Convert to fraction form
    301,516/452,304.96 = 79,900/x
  3. Step 3: Cross multiply
    301,516x = 452,304.96 × 79,900
  4. Step 4: Simplify right side
    301,516x = 36,139,166,304
  5. Step 5: Solve for x
    x = 36,139,166,304/301,516
  6. Step 6: Final answer
    x = 119,858.20

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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.