Home / 366,721.31-506,077.27-213,865.54

Finding the Fourth Proportional to 366,721.31, 506,077.27 and 213,865.54

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Solution

The fourth proportional to 366,721.31, 506,077.27 and 213,865.54 is: 295,135.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,721.31 : 506,077.27 = 213,865.54 : x
  2. Step 2: Convert to fraction form
    366,721.31/506,077.27 = 213,865.54/x
  3. Step 3: Cross multiply
    366,721.31x = 506,077.27 × 213,865.54
  4. Step 4: Simplify right side
    366,721.31x = 108,232,486,830.42
  5. Step 5: Solve for x
    x = 108,232,486,830.42/366,721.31
  6. Step 6: Final answer
    x = 295,135.52

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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.