Home / 320,336.55-442,025.91-177,077.07

Finding the Fourth Proportional to 320,336.55, 442,025.91 and 177,077.07

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Solution

The fourth proportional to 320,336.55, 442,025.91 and 177,077.07 is: 244,345.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,336.55 : 442,025.91 = 177,077.07 : x
  2. Step 2: Convert to fraction form
    320,336.55/442,025.91 = 177,077.07/x
  3. Step 3: Cross multiply
    320,336.55x = 442,025.91 × 177,077.07
  4. Step 4: Simplify right side
    320,336.55x = 78,272,653,006.88
  5. Step 5: Solve for x
    x = 78,272,653,006.88/320,336.55
  6. Step 6: Final answer
    x = 244,345.06

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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.