Home / 712,493.12-1,068,640.86-179,981.30

Finding the Fourth Proportional to 712,493.12, 1,068,640.86 and 179,981.30

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Solution

The fourth proportional to 712,493.12, 1,068,640.86 and 179,981.30 is: 269,946.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,493.12 : 1,068,640.86 = 179,981.30 : x
  2. Step 2: Convert to fraction form
    712,493.12/1,068,640.86 = 179,981.30/x
  3. Step 3: Cross multiply
    712,493.12x = 1,068,640.86 × 179,981.30
  4. Step 4: Simplify right side
    712,493.12x = 192,335,371,215.92
  5. Step 5: Solve for x
    x = 192,335,371,215.92/712,493.12
  6. Step 6: Final answer
    x = 269,946.99

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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.