Home / 209,411.98-313,998.96-142,932.58

Finding the Fourth Proportional to 209,411.98, 313,998.96 and 142,932.58

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Solution

The fourth proportional to 209,411.98, 313,998.96 and 142,932.58 is: 214,317.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,411.98 : 313,998.96 = 142,932.58 : x
  2. Step 2: Convert to fraction form
    209,411.98/313,998.96 = 142,932.58/x
  3. Step 3: Cross multiply
    209,411.98x = 313,998.96 × 142,932.58
  4. Step 4: Simplify right side
    209,411.98x = 44,880,679,900.12
  5. Step 5: Solve for x
    x = 44,880,679,900.12/209,411.98
  6. Step 6: Final answer
    x = 214,317.64

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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.