Home / 217,815.20-326,722.80-182,823.20

Finding the Fourth Proportional to 217,815.20, 326,722.80 and 182,823.20

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Solution

The fourth proportional to 217,815.20, 326,722.80 and 182,823.20 is: 274,234.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,815.20 : 326,722.80 = 182,823.20 : x
  2. Step 2: Convert to fraction form
    217,815.20/326,722.80 = 182,823.20/x
  3. Step 3: Cross multiply
    217,815.20x = 326,722.80 × 182,823.20
  4. Step 4: Simplify right side
    217,815.20x = 59,732,507,808.96
  5. Step 5: Solve for x
    x = 59,732,507,808.96/217,815.20
  6. Step 6: Final answer
    x = 274,234.80

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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.