Home / 319,226.31-477,427.62-283,935.42

Finding the Fourth Proportional to 319,226.31, 477,427.62 and 283,935.42

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Solution

The fourth proportional to 319,226.31, 477,427.62 and 283,935.42 is: 424,647.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,226.31 : 477,427.62 = 283,935.42 : x
  2. Step 2: Convert to fraction form
    319,226.31/477,427.62 = 283,935.42/x
  3. Step 3: Cross multiply
    319,226.31x = 477,427.62 × 283,935.42
  4. Step 4: Simplify right side
    319,226.31x = 135,558,611,804.30
  5. Step 5: Solve for x
    x = 135,558,611,804.30/319,226.31
  6. Step 6: Final answer
    x = 424,647.37

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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.