Home / 320,285.88-442,017.60-177,042.96

Finding the Fourth Proportional to 320,285.88, 442,017.60 and 177,042.96

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Solution

The fourth proportional to 320,285.88, 442,017.60 and 177,042.96 is: 244,332.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,285.88 : 442,017.60 = 177,042.96 : x
  2. Step 2: Convert to fraction form
    320,285.88/442,017.60 = 177,042.96/x
  3. Step 3: Cross multiply
    320,285.88x = 442,017.60 × 177,042.96
  4. Step 4: Simplify right side
    320,285.88x = 78,256,104,276.10
  5. Step 5: Solve for x
    x = 78,256,104,276.10/320,285.88
  6. Step 6: Final answer
    x = 244,332.05

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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.