Home / 382,554.30-528,026.31-269,427.90

Finding the Fourth Proportional to 382,554.30, 528,026.31 and 269,427.90

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Solution

The fourth proportional to 382,554.30, 528,026.31 and 269,427.90 is: 371,881.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,554.30 : 528,026.31 = 269,427.90 : x
  2. Step 2: Convert to fraction form
    382,554.30/528,026.31 = 269,427.90/x
  3. Step 3: Cross multiply
    382,554.30x = 528,026.31 × 269,427.90
  4. Step 4: Simplify right side
    382,554.30x = 142,265,019,848.05
  5. Step 5: Solve for x
    x = 142,265,019,848.05/382,554.30
  6. Step 6: Final answer
    x = 371,881.90

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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.