Home / 489,211.58-733,738.65-134,143.22

Finding the Fourth Proportional to 489,211.58, 733,738.65 and 134,143.22

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Solution

The fourth proportional to 489,211.58, 733,738.65 and 134,143.22 is: 201,193.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,211.58 : 733,738.65 = 134,143.22 : x
  2. Step 2: Convert to fraction form
    489,211.58/733,738.65 = 134,143.22/x
  3. Step 3: Cross multiply
    489,211.58x = 733,738.65 × 134,143.22
  4. Step 4: Simplify right side
    489,211.58x = 98,426,065,149.45
  5. Step 5: Solve for x
    x = 98,426,065,149.45/489,211.58
  6. Step 6: Final answer
    x = 201,193.24

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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.