Home / 489,562.07-734,176.77-169,639.29

Finding the Fourth Proportional to 489,562.07, 734,176.77 and 169,639.29

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Solution

The fourth proportional to 489,562.07, 734,176.77 and 169,639.29 is: 254,401.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,562.07 : 734,176.77 = 169,639.29 : x
  2. Step 2: Convert to fraction form
    489,562.07/734,176.77 = 169,639.29/x
  3. Step 3: Cross multiply
    489,562.07x = 734,176.77 × 169,639.29
  4. Step 4: Simplify right side
    489,562.07x = 124,545,225,997.29
  5. Step 5: Solve for x
    x = 124,545,225,997.29/489,562.07
  6. Step 6: Final answer
    x = 254,401.30

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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.