Home / 256,740.08-385,201.37-114,572.43

Finding the Fourth Proportional to 256,740.08, 385,201.37 and 114,572.43

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Solution

The fourth proportional to 256,740.08, 385,201.37 and 114,572.43 is: 171,899.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,740.08 : 385,201.37 = 114,572.43 : x
  2. Step 2: Convert to fraction form
    256,740.08/385,201.37 = 114,572.43/x
  3. Step 3: Cross multiply
    256,740.08x = 385,201.37 × 114,572.43
  4. Step 4: Simplify right side
    256,740.08x = 44,133,456,427.37
  5. Step 5: Solve for x
    x = 44,133,456,427.37/256,740.08
  6. Step 6: Final answer
    x = 171,899.37

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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.