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Finding the Fourth Proportional to 270,070.40, 372,695.04 and 149,219.84

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Solution

The fourth proportional to 270,070.40, 372,695.04 and 149,219.84 is: 205,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,070.40 : 372,695.04 = 149,219.84 : x
  2. Step 2: Convert to fraction form
    270,070.40/372,695.04 = 149,219.84/x
  3. Step 3: Cross multiply
    270,070.40x = 372,695.04 × 149,219.84
  4. Step 4: Simplify right side
    270,070.40x = 55,613,494,237.59
  5. Step 5: Solve for x
    x = 55,613,494,237.59/270,070.40
  6. Step 6: Final answer
    x = 205,922.21

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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.