Home / 327,875.50-491,484.93-127,920.79

Finding the Fourth Proportional to 327,875.50, 491,484.93 and 127,920.79

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Solution

The fourth proportional to 327,875.50, 491,484.93 and 127,920.79 is: 191,753.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,875.50 : 491,484.93 = 127,920.79 : x
  2. Step 2: Convert to fraction form
    327,875.50/491,484.93 = 127,920.79/x
  3. Step 3: Cross multiply
    327,875.50x = 491,484.93 × 127,920.79
  4. Step 4: Simplify right side
    327,875.50x = 62,871,140,518.69
  5. Step 5: Solve for x
    x = 62,871,140,518.69/327,875.50
  6. Step 6: Final answer
    x = 191,753.09

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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.