Home / 301,346.38-415,822.08-178,819.30

Finding the Fourth Proportional to 301,346.38, 415,822.08 and 178,819.30

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Solution

The fourth proportional to 301,346.38, 415,822.08 and 178,819.30 is: 246,749.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,346.38 : 415,822.08 = 178,819.30 : x
  2. Step 2: Convert to fraction form
    301,346.38/415,822.08 = 178,819.30/x
  3. Step 3: Cross multiply
    301,346.38x = 415,822.08 × 178,819.30
  4. Step 4: Simplify right side
    301,346.38x = 74,357,013,270.14
  5. Step 5: Solve for x
    x = 74,357,013,270.14/301,346.38
  6. Step 6: Final answer
    x = 246,749.32

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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.