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Finding the Fourth Proportional to 377,161.65, 565,860.56 and 124,619.58

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Solution

The fourth proportional to 377,161.65, 565,860.56 and 124,619.58 is: 186,968.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,161.65 : 565,860.56 = 124,619.58 : x
  2. Step 2: Convert to fraction form
    377,161.65/565,860.56 = 124,619.58/x
  3. Step 3: Cross multiply
    377,161.65x = 565,860.56 × 124,619.58
  4. Step 4: Simplify right side
    377,161.65x = 70,517,304,702.67
  5. Step 5: Solve for x
    x = 70,517,304,702.67/377,161.65
  6. Step 6: Final answer
    x = 186,968.39

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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.