Home / 445,522.33-668,406.93-205,709.50

Finding the Fourth Proportional to 445,522.33, 668,406.93 and 205,709.50

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Solution

The fourth proportional to 445,522.33, 668,406.93 and 205,709.50 is: 308,621.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,522.33 : 668,406.93 = 205,709.50 : x
  2. Step 2: Convert to fraction form
    445,522.33/668,406.93 = 205,709.50/x
  3. Step 3: Cross multiply
    445,522.33x = 668,406.93 × 205,709.50
  4. Step 4: Simplify right side
    445,522.33x = 137,497,655,366.84
  5. Step 5: Solve for x
    x = 137,497,655,366.84/445,522.33
  6. Step 6: Final answer
    x = 308,621.24

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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.