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Finding the Fourth Proportional to 452,440.45, 678,509.97 and 182,498.87

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Solution

The fourth proportional to 452,440.45, 678,509.97 and 182,498.87 is: 273,687.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,440.45 : 678,509.97 = 182,498.87 : x
  2. Step 2: Convert to fraction form
    452,440.45/678,509.97 = 182,498.87/x
  3. Step 3: Cross multiply
    452,440.45x = 678,509.97 × 182,498.87
  4. Step 4: Simplify right side
    452,440.45x = 123,827,303,917.17
  5. Step 5: Solve for x
    x = 123,827,303,917.17/452,440.45
  6. Step 6: Final answer
    x = 273,687.52

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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.