Home / 356,377.15-491,800.44-213,137.19

Finding the Fourth Proportional to 356,377.15, 491,800.44 and 213,137.19

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Solution

The fourth proportional to 356,377.15, 491,800.44 and 213,137.19 is: 294,129.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,377.15 : 491,800.44 = 213,137.19 : x
  2. Step 2: Convert to fraction form
    356,377.15/491,800.44 = 213,137.19/x
  3. Step 3: Cross multiply
    356,377.15x = 491,800.44 × 213,137.19
  4. Step 4: Simplify right side
    356,377.15x = 104,820,963,822.36
  5. Step 5: Solve for x
    x = 104,820,963,822.36/356,377.15
  6. Step 6: Final answer
    x = 294,129.31

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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.