Home / 279,946.94-418,887.05-167,706.45

Finding the Fourth Proportional to 279,946.94, 418,887.05 and 167,706.45

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Solution

The fourth proportional to 279,946.94, 418,887.05 and 167,706.45 is: 250,940.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,946.94 : 418,887.05 = 167,706.45 : x
  2. Step 2: Convert to fraction form
    279,946.94/418,887.05 = 167,706.45/x
  3. Step 3: Cross multiply
    279,946.94x = 418,887.05 × 167,706.45
  4. Step 4: Simplify right side
    279,946.94x = 70,250,059,267.94
  5. Step 5: Solve for x
    x = 70,250,059,267.94/279,946.94
  6. Step 6: Final answer
    x = 250,940.63

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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.