Home / 320,831.26-442,741.77-177,588.22

Finding the Fourth Proportional to 320,831.26, 442,741.77 and 177,588.22

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Solution

The fourth proportional to 320,831.26, 442,741.77 and 177,588.22 is: 245,068.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,831.26 : 442,741.77 = 177,588.22 : x
  2. Step 2: Convert to fraction form
    320,831.26/442,741.77 = 177,588.22/x
  3. Step 3: Cross multiply
    320,831.26x = 442,741.77 × 177,588.22
  4. Step 4: Simplify right side
    320,831.26x = 78,625,722,853.95
  5. Step 5: Solve for x
    x = 78,625,722,853.95/320,831.26
  6. Step 6: Final answer
    x = 245,068.77

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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.