Home / 349,741.40-482,632.63-196,788.08

Finding the Fourth Proportional to 349,741.40, 482,632.63 and 196,788.08

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Solution

The fourth proportional to 349,741.40, 482,632.63 and 196,788.08 is: 271,561.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,741.40 : 482,632.63 = 196,788.08 : x
  2. Step 2: Convert to fraction form
    349,741.40/482,632.63 = 196,788.08/x
  3. Step 3: Cross multiply
    349,741.40x = 482,632.63 × 196,788.08
  4. Step 4: Simplify right side
    349,741.40x = 94,976,349,317.66
  5. Step 5: Solve for x
    x = 94,976,349,317.66/349,741.40
  6. Step 6: Final answer
    x = 271,561.65

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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.