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Finding the Fourth Proportional to 377,688.04, 566,635.85 and 111,448.56

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Solution

The fourth proportional to 377,688.04, 566,635.85 and 111,448.56 is: 167,203.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,688.04 : 566,635.85 = 111,448.56 : x
  2. Step 2: Convert to fraction form
    377,688.04/566,635.85 = 111,448.56/x
  3. Step 3: Cross multiply
    377,688.04x = 566,635.85 × 111,448.56
  4. Step 4: Simplify right side
    377,688.04x = 63,150,749,526.88
  5. Step 5: Solve for x
    x = 63,150,749,526.88/377,688.04
  6. Step 6: Final answer
    x = 167,203.47

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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.