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Finding the Fourth Proportional to 442,907.06, 663,361.77 and 205,750.67

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Solution

The fourth proportional to 442,907.06, 663,361.77 and 205,750.67 is: 308,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,907.06 : 663,361.77 = 205,750.67 : x
  2. Step 2: Convert to fraction form
    442,907.06/663,361.77 = 205,750.67/x
  3. Step 3: Cross multiply
    442,907.06x = 663,361.77 × 205,750.67
  4. Step 4: Simplify right side
    442,907.06x = 136,487,128,629.89
  5. Step 5: Solve for x
    x = 136,487,128,629.89/442,907.06
  6. Step 6: Final answer
    x = 308,162.01

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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.