Home / 326,766.12-489,881.34-116,284.20

Finding the Fourth Proportional to 326,766.12, 489,881.34 and 116,284.20

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Solution

The fourth proportional to 326,766.12, 489,881.34 and 116,284.20 is: 174,330.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,766.12 : 489,881.34 = 116,284.20 : x
  2. Step 2: Convert to fraction form
    326,766.12/489,881.34 = 116,284.20/x
  3. Step 3: Cross multiply
    326,766.12x = 489,881.34 × 116,284.20
  4. Step 4: Simplify right side
    326,766.12x = 56,965,459,716.83
  5. Step 5: Solve for x
    x = 56,965,459,716.83/326,766.12
  6. Step 6: Final answer
    x = 174,330.99

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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.