Home / 372,322.08-513,805.68-202,556.16

Finding the Fourth Proportional to 372,322.08, 513,805.68 and 202,556.16

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Solution

The fourth proportional to 372,322.08, 513,805.68 and 202,556.16 is: 279,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,322.08 : 513,805.68 = 202,556.16 : x
  2. Step 2: Convert to fraction form
    372,322.08/513,805.68 = 202,556.16/x
  3. Step 3: Cross multiply
    372,322.08x = 513,805.68 × 202,556.16
  4. Step 4: Simplify right side
    372,322.08x = 104,074,505,526.99
  5. Step 5: Solve for x
    x = 104,074,505,526.99/372,322.08
  6. Step 6: Final answer
    x = 279,528.16

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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.