Home / 451,931.94-677,901.89-114,972.95

Finding the Fourth Proportional to 451,931.94, 677,901.89 and 114,972.95

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Solution

The fourth proportional to 451,931.94, 677,901.89 and 114,972.95 is: 172,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,931.94 : 677,901.89 = 114,972.95 : x
  2. Step 2: Convert to fraction form
    451,931.94/677,901.89 = 114,972.95/x
  3. Step 3: Cross multiply
    451,931.94x = 677,901.89 × 114,972.95
  4. Step 4: Simplify right side
    451,931.94x = 77,940,376,139.50
  5. Step 5: Solve for x
    x = 77,940,376,139.50/451,931.94
  6. Step 6: Final answer
    x = 172,460.43

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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.