Home / 489,128.04-733,757.34-193,570.92

Finding the Fourth Proportional to 489,128.04, 733,757.34 and 193,570.92

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Solution

The fourth proportional to 489,128.04, 733,757.34 and 193,570.92 is: 290,382.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,128.04 : 733,757.34 = 193,570.92 : x
  2. Step 2: Convert to fraction form
    489,128.04/733,757.34 = 193,570.92/x
  3. Step 3: Cross multiply
    489,128.04x = 733,757.34 × 193,570.92
  4. Step 4: Simplify right side
    489,128.04x = 142,034,083,360.55
  5. Step 5: Solve for x
    x = 142,034,083,360.55/489,128.04
  6. Step 6: Final answer
    x = 290,382.21

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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.