Home / 217,544.20-326,316.30-146,685.40

Finding the Fourth Proportional to 217,544.20, 326,316.30 and 146,685.40

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Solution

The fourth proportional to 217,544.20, 326,316.30 and 146,685.40 is: 220,028.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,544.20 : 326,316.30 = 146,685.40 : x
  2. Step 2: Convert to fraction form
    217,544.20/326,316.30 = 146,685.40/x
  3. Step 3: Cross multiply
    217,544.20x = 326,316.30 × 146,685.40
  4. Step 4: Simplify right side
    217,544.20x = 47,865,836,992.02
  5. Step 5: Solve for x
    x = 47,865,836,992.02/217,544.20
  6. Step 6: Final answer
    x = 220,028.10

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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.