Home / 320,087.72-441,683.40-176,839.22

Finding the Fourth Proportional to 320,087.72, 441,683.40 and 176,839.22

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Solution

The fourth proportional to 320,087.72, 441,683.40 and 176,839.22 is: 244,017.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,087.72 : 441,683.40 = 176,839.22 : x
  2. Step 2: Convert to fraction form
    320,087.72/441,683.40 = 176,839.22/x
  3. Step 3: Cross multiply
    320,087.72x = 441,683.40 × 176,839.22
  4. Step 4: Simplify right side
    320,087.72x = 78,106,947,942.95
  5. Step 5: Solve for x
    x = 78,106,947,942.95/320,087.72
  6. Step 6: Final answer
    x = 244,017.32

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1.5x scale

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.