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Finding the Fourth Proportional to 250,627.77, 376,128.45 and 100,869.30

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Solution

The fourth proportional to 250,627.77, 376,128.45 and 100,869.30 is: 151,379.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,627.77 : 376,128.45 = 100,869.30 : x
  2. Step 2: Convert to fraction form
    250,627.77/376,128.45 = 100,869.30/x
  3. Step 3: Cross multiply
    250,627.77x = 376,128.45 × 100,869.30
  4. Step 4: Simplify right side
    250,627.77x = 37,939,813,461.59
  5. Step 5: Solve for x
    x = 37,939,813,461.59/250,627.77
  6. Step 6: Final answer
    x = 151,379.13

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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.