Home / 320,055.20-441,672.86-176,805.89

Finding the Fourth Proportional to 320,055.20, 441,672.86 and 176,805.89

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Solution

The fourth proportional to 320,055.20, 441,672.86 and 176,805.89 is: 243,990.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,055.20 : 441,672.86 = 176,805.89 : x
  2. Step 2: Convert to fraction form
    320,055.20/441,672.86 = 176,805.89/x
  3. Step 3: Cross multiply
    320,055.20x = 441,672.86 × 176,805.89
  4. Step 4: Simplify right side
    320,055.20x = 78,090,362,217.12
  5. Step 5: Solve for x
    x = 78,090,362,217.12/320,055.20
  6. Step 6: Final answer
    x = 243,990.29

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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.