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Finding the Fourth Proportional to 489,941.86, 735,017.84 and 170,103.84

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Solution

The fourth proportional to 489,941.86, 735,017.84 and 170,103.84 is: 255,192.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,941.86 : 735,017.84 = 170,103.84 : x
  2. Step 2: Convert to fraction form
    489,941.86/735,017.84 = 170,103.84/x
  3. Step 3: Cross multiply
    489,941.86x = 735,017.84 × 170,103.84
  4. Step 4: Simplify right side
    489,941.86x = 125,029,356,201.99
  5. Step 5: Solve for x
    x = 125,029,356,201.99/489,941.86
  6. Step 6: Final answer
    x = 255,192.23

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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.