Home / 237,905.08-328,286.04-142,409.72

Finding the Fourth Proportional to 237,905.08, 328,286.04 and 142,409.72

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Solution

The fourth proportional to 237,905.08, 328,286.04 and 142,409.72 is: 196,511.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,905.08 : 328,286.04 = 142,409.72 : x
  2. Step 2: Convert to fraction form
    237,905.08/328,286.04 = 142,409.72/x
  3. Step 3: Cross multiply
    237,905.08x = 328,286.04 × 142,409.72
  4. Step 4: Simplify right side
    237,905.08x = 46,751,123,036.31
  5. Step 5: Solve for x
    x = 46,751,123,036.31/237,905.08
  6. Step 6: Final answer
    x = 196,511.66

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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.