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Finding the Fourth Proportional to 350,889.60, 526,516.65 and 163,901.10

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Solution

The fourth proportional to 350,889.60, 526,516.65 and 163,901.10 is: 245,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,889.60 : 526,516.65 = 163,901.10 : x
  2. Step 2: Convert to fraction form
    350,889.60/526,516.65 = 163,901.10/x
  3. Step 3: Cross multiply
    350,889.60x = 526,516.65 × 163,901.10
  4. Step 4: Simplify right side
    350,889.60x = 86,296,658,103.32
  5. Step 5: Solve for x
    x = 86,296,658,103.32/350,889.60
  6. Step 6: Final answer
    x = 245,936.78

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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.