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Finding the Fourth Proportional to 452,577.95, 678,866.91 and 115,619.33

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Solution

The fourth proportional to 452,577.95, 678,866.91 and 115,619.33 is: 173,428.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,577.95 : 678,866.91 = 115,619.33 : x
  2. Step 2: Convert to fraction form
    452,577.95/678,866.91 = 115,619.33/x
  3. Step 3: Cross multiply
    452,577.95x = 678,866.91 × 115,619.33
  4. Step 4: Simplify right side
    452,577.95x = 78,490,138,556.97
  5. Step 5: Solve for x
    x = 78,490,138,556.97/452,577.95
  6. Step 6: Final answer
    x = 173,428.99

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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.