Home / 489,750.93-734,910.02-205,416.18

Finding the Fourth Proportional to 489,750.93, 734,910.02 and 205,416.18

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Solution

The fourth proportional to 489,750.93, 734,910.02 and 205,416.18 is: 308,243.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,750.93 : 734,910.02 = 205,416.18 : x
  2. Step 2: Convert to fraction form
    489,750.93/734,910.02 = 205,416.18/x
  3. Step 3: Cross multiply
    489,750.93x = 734,910.02 × 205,416.18
  4. Step 4: Simplify right side
    489,750.93x = 150,962,408,952.12
  5. Step 5: Solve for x
    x = 150,962,408,952.12/489,750.93
  6. Step 6: Final answer
    x = 308,243.23

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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.