Home / 301,308.12-415,804.04-165,344.34

Finding the Fourth Proportional to 301,308.12, 415,804.04 and 165,344.34

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Solution

The fourth proportional to 301,308.12, 415,804.04 and 165,344.34 is: 228,174.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,308.12 : 415,804.04 = 165,344.34 : x
  2. Step 2: Convert to fraction form
    301,308.12/415,804.04 = 165,344.34/x
  3. Step 3: Cross multiply
    301,308.12x = 415,804.04 × 165,344.34
  4. Step 4: Simplify right side
    301,308.12x = 68,750,844,563.13
  5. Step 5: Solve for x
    x = 68,750,844,563.13/301,308.12
  6. Step 6: Final answer
    x = 228,174.55

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1.5x scale

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.