Home / 305,637.27-458,434.26-80,992.73

Finding the Fourth Proportional to 305,637.27, 458,434.26 and 80,992.73

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Solution

The fourth proportional to 305,637.27, 458,434.26 and 80,992.73 is: 121,483.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,637.27 : 458,434.26 = 80,992.73 : x
  2. Step 2: Convert to fraction form
    305,637.27/458,434.26 = 80,992.73/x
  3. Step 3: Cross multiply
    305,637.27x = 458,434.26 × 80,992.73
  4. Step 4: Simplify right side
    305,637.27x = 37,129,842,242.93
  5. Step 5: Solve for x
    x = 37,129,842,242.93/305,637.27
  6. Step 6: Final answer
    x = 121,483.36

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1.5x scale

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.