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Finding the Fourth Proportional to 270,240.36, 372,925.74 and 149,377

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Solution

The fourth proportional to 270,240.36, 372,925.74 and 149,377 is: 206,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,240.36 : 372,925.74 = 149,377 : x
  2. Step 2: Convert to fraction form
    270,240.36/372,925.74 = 149,377/x
  3. Step 3: Cross multiply
    270,240.36x = 372,925.74 × 149,377
  4. Step 4: Simplify right side
    270,240.36x = 55,706,528,263.98
  5. Step 5: Solve for x
    x = 55,706,528,263.98/270,240.36
  6. Step 6: Final answer
    x = 206,136.97

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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.