Home / 293,610.11-440,424.31-139,702.38

Finding the Fourth Proportional to 293,610.11, 440,424.31 and 139,702.38

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Solution

The fourth proportional to 293,610.11, 440,424.31 and 139,702.38 is: 209,557.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,610.11 : 440,424.31 = 139,702.38 : x
  2. Step 2: Convert to fraction form
    293,610.11/440,424.31 = 139,702.38/x
  3. Step 3: Cross multiply
    293,610.11x = 440,424.31 × 139,702.38
  4. Step 4: Simplify right side
    293,610.11x = 61,528,323,967.60
  5. Step 5: Solve for x
    x = 61,528,323,967.60/293,610.11
  6. Step 6: Final answer
    x = 209,557.92

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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.