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Finding the Fourth Proportional to 229,038.92, 316,077 and 171,576.44

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Solution

The fourth proportional to 229,038.92, 316,077 and 171,576.44 is: 236,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,038.92 : 316,077 = 171,576.44 : x
  2. Step 2: Convert to fraction form
    229,038.92/316,077 = 171,576.44/x
  3. Step 3: Cross multiply
    229,038.92x = 316,077 × 171,576.44
  4. Step 4: Simplify right side
    229,038.92x = 54,231,366,425.88
  5. Step 5: Solve for x
    x = 54,231,366,425.88/229,038.92
  6. Step 6: Final answer
    x = 236,777.95

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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.