Home / 489,941.36-735,017.09-170,103.34

Finding the Fourth Proportional to 489,941.36, 735,017.09 and 170,103.34

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Solution

The fourth proportional to 489,941.36, 735,017.09 and 170,103.34 is: 255,191.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,941.36 : 735,017.09 = 170,103.34 : x
  2. Step 2: Convert to fraction form
    489,941.36/735,017.09 = 170,103.34/x
  3. Step 3: Cross multiply
    489,941.36x = 735,017.09 × 170,103.34
  4. Step 4: Simplify right side
    489,941.36x = 125,028,862,034.34
  5. Step 5: Solve for x
    x = 125,028,862,034.34/489,941.36
  6. Step 6: Final answer
    x = 255,191.48

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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.