Home / 434,629.80-651,750.30-168,301.80

Finding the Fourth Proportional to 434,629.80, 651,750.30 and 168,301.80

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Solution

The fourth proportional to 434,629.80, 651,750.30 and 168,301.80 is: 252,377.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,629.80 : 651,750.30 = 168,301.80 : x
  2. Step 2: Convert to fraction form
    434,629.80/651,750.30 = 168,301.80/x
  3. Step 3: Cross multiply
    434,629.80x = 651,750.30 × 168,301.80
  4. Step 4: Simplify right side
    434,629.80x = 109,690,748,640.54
  5. Step 5: Solve for x
    x = 109,690,748,640.54/434,629.80
  6. Step 6: Final answer
    x = 252,377.42

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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.