Home / 270,730.08-405,651.24-191,702.43

Finding the Fourth Proportional to 270,730.08, 405,651.24 and 191,702.43

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Solution

The fourth proportional to 270,730.08, 405,651.24 and 191,702.43 is: 287,239.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,730.08 : 405,651.24 = 191,702.43 : x
  2. Step 2: Convert to fraction form
    270,730.08/405,651.24 = 191,702.43/x
  3. Step 3: Cross multiply
    270,730.08x = 405,651.24 × 191,702.43
  4. Step 4: Simplify right side
    270,730.08x = 77,764,328,440.51
  5. Step 5: Solve for x
    x = 77,764,328,440.51/270,730.08
  6. Step 6: Final answer
    x = 287,239.34

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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.