Home / 434,664.20-651,704.70-210,132.20

Finding the Fourth Proportional to 434,664.20, 651,704.70 and 210,132.20

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Solution

The fourth proportional to 434,664.20, 651,704.70 and 210,132.20 is: 315,057.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,664.20 : 651,704.70 = 210,132.20 : x
  2. Step 2: Convert to fraction form
    434,664.20/651,704.70 = 210,132.20/x
  3. Step 3: Cross multiply
    434,664.20x = 651,704.70 × 210,132.20
  4. Step 4: Simplify right side
    434,664.20x = 136,944,142,361.34
  5. Step 5: Solve for x
    x = 136,944,142,361.34/434,664.20
  6. Step 6: Final answer
    x = 315,057.33

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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.