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Finding the Fourth Proportional to 356,010.93, 491,197.93 and 202,993.32

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Solution

The fourth proportional to 356,010.93, 491,197.93 and 202,993.32 is: 280,075.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,010.93 : 491,197.93 = 202,993.32 : x
  2. Step 2: Convert to fraction form
    356,010.93/491,197.93 = 202,993.32/x
  3. Step 3: Cross multiply
    356,010.93x = 491,197.93 × 202,993.32
  4. Step 4: Simplify right side
    356,010.93x = 99,709,899,922.34
  5. Step 5: Solve for x
    x = 99,709,899,922.34/356,010.93
  6. Step 6: Final answer
    x = 280,075.39

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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.