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Finding the Fourth Proportional to 251,252, 377,050.80 and 103,508

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Solution

The fourth proportional to 251,252, 377,050.80 and 103,508 is: 155,333.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,252 : 377,050.80 = 103,508 : x
  2. Step 2: Convert to fraction form
    251,252/377,050.80 = 103,508/x
  3. Step 3: Cross multiply
    251,252x = 377,050.80 × 103,508
  4. Step 4: Simplify right side
    251,252x = 39,027,774,206.40
  5. Step 5: Solve for x
    x = 39,027,774,206.40/251,252
  6. Step 6: Final answer
    x = 155,333.19

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.