Home / 320,334.50-441,515.75-293,185.22

Finding the Fourth Proportional to 320,334.50, 441,515.75 and 293,185.22

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Solution

The fourth proportional to 320,334.50, 441,515.75 and 293,185.22 is: 404,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,334.50 : 441,515.75 = 293,185.22 : x
  2. Step 2: Convert to fraction form
    320,334.50/441,515.75 = 293,185.22/x
  3. Step 3: Cross multiply
    320,334.50x = 441,515.75 × 293,185.22
  4. Step 4: Simplify right side
    320,334.50x = 129,445,888,623.71
  5. Step 5: Solve for x
    x = 129,445,888,623.71/320,334.50
  6. Step 6: Final answer
    x = 404,095.99

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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.