Home / 340,222.52-509,088.04-321,972.95

Finding the Fourth Proportional to 340,222.52, 509,088.04 and 321,972.95

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Solution

The fourth proportional to 340,222.52, 509,088.04 and 321,972.95 is: 481,780.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,222.52 : 509,088.04 = 321,972.95 : x
  2. Step 2: Convert to fraction form
    340,222.52/509,088.04 = 321,972.95/x
  3. Step 3: Cross multiply
    340,222.52x = 509,088.04 × 321,972.95
  4. Step 4: Simplify right side
    340,222.52x = 163,912,578,048.52
  5. Step 5: Solve for x
    x = 163,912,578,048.52/340,222.52
  6. Step 6: Final answer
    x = 481,780.51

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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.