Home / 217,371.40-326,057.10-134,312.20

Finding the Fourth Proportional to 217,371.40, 326,057.10 and 134,312.20

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Solution

The fourth proportional to 217,371.40, 326,057.10 and 134,312.20 is: 201,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,371.40 : 326,057.10 = 134,312.20 : x
  2. Step 2: Convert to fraction form
    217,371.40/326,057.10 = 134,312.20/x
  3. Step 3: Cross multiply
    217,371.40x = 326,057.10 × 134,312.20
  4. Step 4: Simplify right side
    217,371.40x = 43,793,446,426.62
  5. Step 5: Solve for x
    x = 43,793,446,426.62/217,371.40
  6. Step 6: Final answer
    x = 201,468.30

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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.