Home / 382,559.80-528,033.90-269,433.40

Finding the Fourth Proportional to 382,559.80, 528,033.90 and 269,433.40

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Solution

The fourth proportional to 382,559.80, 528,033.90 and 269,433.40 is: 371,889.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,559.80 : 528,033.90 = 269,433.40 : x
  2. Step 2: Convert to fraction form
    382,559.80/528,033.90 = 269,433.40/x
  3. Step 3: Cross multiply
    382,559.80x = 528,033.90 × 269,433.40
  4. Step 4: Simplify right side
    382,559.80x = 142,269,968,992.26
  5. Step 5: Solve for x
    x = 142,269,968,992.26/382,559.80
  6. Step 6: Final answer
    x = 371,889.49

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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.