Home / 320,946.05-442,912.50-175,758

Finding the Fourth Proportional to 320,946.05, 442,912.50 and 175,758

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Solution

The fourth proportional to 320,946.05, 442,912.50 and 175,758 is: 242,549.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,946.05 : 442,912.50 = 175,758 : x
  2. Step 2: Convert to fraction form
    320,946.05/442,912.50 = 175,758/x
  3. Step 3: Cross multiply
    320,946.05x = 442,912.50 × 175,758
  4. Step 4: Simplify right side
    320,946.05x = 77,845,415,175
  5. Step 5: Solve for x
    x = 77,845,415,175/320,946.05
  6. Step 6: Final answer
    x = 242,549.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.