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Finding the Fourth Proportional to 377,164.71, 565,626.11 and 124,388.42

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Solution

The fourth proportional to 377,164.71, 565,626.11 and 124,388.42 is: 186,542.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,164.71 : 565,626.11 = 124,388.42 : x
  2. Step 2: Convert to fraction form
    377,164.71/565,626.11 = 124,388.42/x
  3. Step 3: Cross multiply
    377,164.71x = 565,626.11 × 124,388.42
  4. Step 4: Simplify right side
    377,164.71x = 70,357,334,683.57
  5. Step 5: Solve for x
    x = 70,357,334,683.57/377,164.71
  6. Step 6: Final answer
    x = 186,542.73

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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.