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Finding the Fourth Proportional to 270,616.52, 373,443.16 and 149,762.84

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Solution

The fourth proportional to 270,616.52, 373,443.16 and 149,762.84 is: 206,668.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,616.52 : 373,443.16 = 149,762.84 : x
  2. Step 2: Convert to fraction form
    270,616.52/373,443.16 = 149,762.84/x
  3. Step 3: Cross multiply
    270,616.52x = 373,443.16 × 149,762.84
  4. Step 4: Simplify right side
    270,616.52x = 55,927,908,220.17
  5. Step 5: Solve for x
    x = 55,927,908,220.17/270,616.52
  6. Step 6: Final answer
    x = 206,668.49

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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.