Home / 380,784.96-571,112.91-178,402.14

Finding the Fourth Proportional to 380,784.96, 571,112.91 and 178,402.14

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Solution

The fourth proportional to 380,784.96, 571,112.91 and 178,402.14 is: 267,572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,784.96 : 571,112.91 = 178,402.14 : x
  2. Step 2: Convert to fraction form
    380,784.96/571,112.91 = 178,402.14/x
  3. Step 3: Cross multiply
    380,784.96x = 571,112.91 × 178,402.14
  4. Step 4: Simplify right side
    380,784.96x = 101,887,765,325.63
  5. Step 5: Solve for x
    x = 101,887,765,325.63/380,784.96
  6. Step 6: Final answer
    x = 267,572.98

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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.