Home / 349,669.60-482,543.35-196,707.90

Finding the Fourth Proportional to 349,669.60, 482,543.35 and 196,707.90

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Solution

The fourth proportional to 349,669.60, 482,543.35 and 196,707.90 is: 271,456.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,669.60 : 482,543.35 = 196,707.90 : x
  2. Step 2: Convert to fraction form
    349,669.60/482,543.35 = 196,707.90/x
  3. Step 3: Cross multiply
    349,669.60x = 482,543.35 × 196,707.90
  4. Step 4: Simplify right side
    349,669.60x = 94,920,089,037.47
  5. Step 5: Solve for x
    x = 94,920,089,037.47/349,669.60
  6. Step 6: Final answer
    x = 271,456.51

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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.