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Finding the Fourth Proportional to 176,308.97, 264,461.63 and 43,189.92

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Solution

The fourth proportional to 176,308.97, 264,461.63 and 43,189.92 is: 64,784.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,308.97 : 264,461.63 = 43,189.92 : x
  2. Step 2: Convert to fraction form
    176,308.97/264,461.63 = 43,189.92/x
  3. Step 3: Cross multiply
    176,308.97x = 264,461.63 × 43,189.92
  4. Step 4: Simplify right side
    176,308.97x = 11,422,076,426.82
  5. Step 5: Solve for x
    x = 11,422,076,426.82/176,308.97
  6. Step 6: Final answer
    x = 64,784.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.