Home / 269,985.83-372,603.47-149,140.31

Finding the Fourth Proportional to 269,985.83, 372,603.47 and 149,140.31

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Solution

The fourth proportional to 269,985.83, 372,603.47 and 149,140.31 is: 205,826.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,985.83 : 372,603.47 = 149,140.31 : x
  2. Step 2: Convert to fraction form
    269,985.83/372,603.47 = 149,140.31/x
  3. Step 3: Cross multiply
    269,985.83x = 372,603.47 × 149,140.31
  4. Step 4: Simplify right side
    269,985.83x = 55,570,194,414.16
  5. Step 5: Solve for x
    x = 55,570,194,414.16/269,985.83
  6. Step 6: Final answer
    x = 205,826.34

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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.