Home / 389,792.38-584,743.96-119,942.91

Finding the Fourth Proportional to 389,792.38, 584,743.96 and 119,942.91

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Solution

The fourth proportional to 389,792.38, 584,743.96 and 119,942.91 is: 179,931.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,792.38 : 584,743.96 = 119,942.91 : x
  2. Step 2: Convert to fraction form
    389,792.38/584,743.96 = 119,942.91/x
  3. Step 3: Cross multiply
    389,792.38x = 584,743.96 × 119,942.91
  4. Step 4: Simplify right side
    389,792.38x = 70,135,889,243.60
  5. Step 5: Solve for x
    x = 70,135,889,243.60/389,792.38
  6. Step 6: Final answer
    x = 179,931.40

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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.