Home / 219,316.60-328,974.90-166,828.60

Finding the Fourth Proportional to 219,316.60, 328,974.90 and 166,828.60

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Solution

The fourth proportional to 219,316.60, 328,974.90 and 166,828.60 is: 250,242.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,316.60 : 328,974.90 = 166,828.60 : x
  2. Step 2: Convert to fraction form
    219,316.60/328,974.90 = 166,828.60/x
  3. Step 3: Cross multiply
    219,316.60x = 328,974.90 × 166,828.60
  4. Step 4: Simplify right side
    219,316.60x = 54,882,422,002.14
  5. Step 5: Solve for x
    x = 54,882,422,002.14/219,316.60
  6. Step 6: Final answer
    x = 250,242.90

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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.