Home / 301,208.28-415,670.52-165,242.40

Finding the Fourth Proportional to 301,208.28, 415,670.52 and 165,242.40

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Solution

The fourth proportional to 301,208.28, 415,670.52 and 165,242.40 is: 228,036.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,208.28 : 415,670.52 = 165,242.40 : x
  2. Step 2: Convert to fraction form
    301,208.28/415,670.52 = 165,242.40/x
  3. Step 3: Cross multiply
    301,208.28x = 415,670.52 × 165,242.40
  4. Step 4: Simplify right side
    301,208.28x = 68,686,394,334.05
  5. Step 5: Solve for x
    x = 68,686,394,334.05/301,208.28
  6. Step 6: Final answer
    x = 228,036.21

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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.