Home / 382,559.30-528,033.21-269,432.90

Finding the Fourth Proportional to 382,559.30, 528,033.21 and 269,432.90

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Solution

The fourth proportional to 382,559.30, 528,033.21 and 269,432.90 is: 371,888.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,559.30 : 528,033.21 = 269,432.90 : x
  2. Step 2: Convert to fraction form
    382,559.30/528,033.21 = 269,432.90/x
  3. Step 3: Cross multiply
    382,559.30x = 528,033.21 × 269,432.90
  4. Step 4: Simplify right side
    382,559.30x = 142,269,519,066.61
  5. Step 5: Solve for x
    x = 142,269,519,066.61/382,559.30
  6. Step 6: Final answer
    x = 371,888.80

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1.5x scale

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.