Home / 219,020.18-328,832.81-151,385.60

Finding the Fourth Proportional to 219,020.18, 328,832.81 and 151,385.60

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Solution

The fourth proportional to 219,020.18, 328,832.81 and 151,385.60 is: 227,287.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,020.18 : 328,832.81 = 151,385.60 : x
  2. Step 2: Convert to fraction form
    219,020.18/328,832.81 = 151,385.60/x
  3. Step 3: Cross multiply
    219,020.18x = 328,832.81 × 151,385.60
  4. Step 4: Simplify right side
    219,020.18x = 49,780,552,874.39
  5. Step 5: Solve for x
    x = 49,780,552,874.39/219,020.18
  6. Step 6: Final answer
    x = 227,287.52

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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.