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Finding the Fourth Proportional to 250,898.76, 346,527.72 and 165,240.54

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Solution

The fourth proportional to 250,898.76, 346,527.72 and 165,240.54 is: 228,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,898.76 : 346,527.72 = 165,240.54 : x
  2. Step 2: Convert to fraction form
    250,898.76/346,527.72 = 165,240.54/x
  3. Step 3: Cross multiply
    250,898.76x = 346,527.72 × 165,240.54
  4. Step 4: Simplify right side
    250,898.76x = 57,260,427,577.77
  5. Step 5: Solve for x
    x = 57,260,427,577.77/250,898.76
  6. Step 6: Final answer
    x = 228,221.25

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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.