Home / 217,676.20-326,514.30-146,817.40

Finding the Fourth Proportional to 217,676.20, 326,514.30 and 146,817.40

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Solution

The fourth proportional to 217,676.20, 326,514.30 and 146,817.40 is: 220,226.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,676.20 : 326,514.30 = 146,817.40 : x
  2. Step 2: Convert to fraction form
    217,676.20/326,514.30 = 146,817.40/x
  3. Step 3: Cross multiply
    217,676.20x = 326,514.30 × 146,817.40
  4. Step 4: Simplify right side
    217,676.20x = 47,937,980,588.82
  5. Step 5: Solve for x
    x = 47,937,980,588.82/217,676.20
  6. Step 6: Final answer
    x = 220,226.10

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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.