Home / 349,726.96-482,655-198,823.60

Finding the Fourth Proportional to 349,726.96, 482,655 and 198,823.60

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Solution

The fourth proportional to 349,726.96, 482,655 and 198,823.60 is: 274,394.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,726.96 : 482,655 = 198,823.60 : x
  2. Step 2: Convert to fraction form
    349,726.96/482,655 = 198,823.60/x
  3. Step 3: Cross multiply
    349,726.96x = 482,655 × 198,823.60
  4. Step 4: Simplify right side
    349,726.96x = 95,963,204,658
  5. Step 5: Solve for x
    x = 95,963,204,658/349,726.96
  6. Step 6: Final answer
    x = 274,394.64

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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.