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Finding the Fourth Proportional to 452,277.71, 678,272.68 and 148,601.86

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Solution

The fourth proportional to 452,277.71, 678,272.68 and 148,601.86 is: 222,855.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,277.71 : 678,272.68 = 148,601.86 : x
  2. Step 2: Convert to fraction form
    452,277.71/678,272.68 = 148,601.86/x
  3. Step 3: Cross multiply
    452,277.71x = 678,272.68 × 148,601.86
  4. Step 4: Simplify right side
    452,277.71x = 100,792,579,489.37
  5. Step 5: Solve for x
    x = 100,792,579,489.37/452,277.71
  6. Step 6: Final answer
    x = 222,855.51

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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.