Home / 217,824.20-326,736.30-146,965.40

Finding the Fourth Proportional to 217,824.20, 326,736.30 and 146,965.40

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Solution

The fourth proportional to 217,824.20, 326,736.30 and 146,965.40 is: 220,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,824.20 : 326,736.30 = 146,965.40 : x
  2. Step 2: Convert to fraction form
    217,824.20/326,736.30 = 146,965.40/x
  3. Step 3: Cross multiply
    217,824.20x = 326,736.30 × 146,965.40
  4. Step 4: Simplify right side
    217,824.20x = 48,018,931,024.02
  5. Step 5: Solve for x
    x = 48,018,931,024.02/217,824.20
  6. Step 6: Final answer
    x = 220,448.10

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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.