Home / 351,437.16-485,054.82-238,296.36

Finding the Fourth Proportional to 351,437.16, 485,054.82 and 238,296.36

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Solution

The fourth proportional to 351,437.16, 485,054.82 and 238,296.36 is: 328,897.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,437.16 : 485,054.82 = 238,296.36 : x
  2. Step 2: Convert to fraction form
    351,437.16/485,054.82 = 238,296.36/x
  3. Step 3: Cross multiply
    351,437.16x = 485,054.82 × 238,296.36
  4. Step 4: Simplify right side
    351,437.16x = 115,586,798,006.46
  5. Step 5: Solve for x
    x = 115,586,798,006.46/351,437.16
  6. Step 6: Final answer
    x = 328,897.48

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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.