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Finding the Fourth Proportional to 250,877.08, 346,372.50 and 155,485

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Solution

The fourth proportional to 250,877.08, 346,372.50 and 155,485 is: 214,669.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,877.08 : 346,372.50 = 155,485 : x
  2. Step 2: Convert to fraction form
    250,877.08/346,372.50 = 155,485/x
  3. Step 3: Cross multiply
    250,877.08x = 346,372.50 × 155,485
  4. Step 4: Simplify right side
    250,877.08x = 53,855,728,162.50
  5. Step 5: Solve for x
    x = 53,855,728,162.50/250,877.08
  6. Step 6: Final answer
    x = 214,669.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.