Home / 285,790.38-428,533.83-96,187.47

Finding the Fourth Proportional to 285,790.38, 428,533.83 and 96,187.47

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Solution

The fourth proportional to 285,790.38, 428,533.83 and 96,187.47 is: 144,230.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,790.38 : 428,533.83 = 96,187.47 : x
  2. Step 2: Convert to fraction form
    285,790.38/428,533.83 = 96,187.47/x
  3. Step 3: Cross multiply
    285,790.38x = 428,533.83 × 96,187.47
  4. Step 4: Simplify right side
    285,790.38x = 41,219,584,917.11
  5. Step 5: Solve for x
    x = 41,219,584,917.11/285,790.38
  6. Step 6: Final answer
    x = 144,230.13

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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.