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Finding the Fourth Proportional to 235,970.46, 353,818.98 and 161,180.98

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Solution

The fourth proportional to 235,970.46, 353,818.98 and 161,180.98 is: 241,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,970.46 : 353,818.98 = 161,180.98 : x
  2. Step 2: Convert to fraction form
    235,970.46/353,818.98 = 161,180.98/x
  3. Step 3: Cross multiply
    235,970.46x = 353,818.98 × 161,180.98
  4. Step 4: Simplify right side
    235,970.46x = 57,028,889,939.00
  5. Step 5: Solve for x
    x = 57,028,889,939.00/235,970.46
  6. Step 6: Final answer
    x = 241,678.09

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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.