Home / 338,835.06-467,648.37-187,980.66

Finding the Fourth Proportional to 338,835.06, 467,648.37 and 187,980.66

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Solution

The fourth proportional to 338,835.06, 467,648.37 and 187,980.66 is: 259,444.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,835.06 : 467,648.37 = 187,980.66 : x
  2. Step 2: Convert to fraction form
    338,835.06/467,648.37 = 187,980.66/x
  3. Step 3: Cross multiply
    338,835.06x = 467,648.37 × 187,980.66
  4. Step 4: Simplify right side
    338,835.06x = 87,908,849,240.52
  5. Step 5: Solve for x
    x = 87,908,849,240.52/338,835.06
  6. Step 6: Final answer
    x = 259,444.37

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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.