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Finding the Fourth Proportional to 251,482.53, 377,270.43 and 83,014.59

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Solution

The fourth proportional to 251,482.53, 377,270.43 and 83,014.59 is: 124,537.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,482.53 : 377,270.43 = 83,014.59 : x
  2. Step 2: Convert to fraction form
    251,482.53/377,270.43 = 83,014.59/x
  3. Step 3: Cross multiply
    251,482.53x = 377,270.43 × 83,014.59
  4. Step 4: Simplify right side
    251,482.53x = 31,318,950,065.57
  5. Step 5: Solve for x
    x = 31,318,950,065.57/251,482.53
  6. Step 6: Final answer
    x = 124,537.28

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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.