Home / 325,144.26-448,549.38-210,459.74

Finding the Fourth Proportional to 325,144.26, 448,549.38 and 210,459.74

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Solution

The fourth proportional to 325,144.26, 448,549.38 and 210,459.74 is: 290,337.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,144.26 : 448,549.38 = 210,459.74 : x
  2. Step 2: Convert to fraction form
    325,144.26/448,549.38 = 210,459.74/x
  3. Step 3: Cross multiply
    325,144.26x = 448,549.38 × 210,459.74
  4. Step 4: Simplify right side
    325,144.26x = 94,401,583,649.21
  5. Step 5: Solve for x
    x = 94,401,583,649.21/325,144.26
  6. Step 6: Final answer
    x = 290,337.54

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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.