Home / 380,541.60-570,400.38-247,516.92

Finding the Fourth Proportional to 380,541.60, 570,400.38 and 247,516.92

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Solution

The fourth proportional to 380,541.60, 570,400.38 and 247,516.92 is: 371,007.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,541.60 : 570,400.38 = 247,516.92 : x
  2. Step 2: Convert to fraction form
    380,541.60/570,400.38 = 247,516.92/x
  3. Step 3: Cross multiply
    380,541.60x = 570,400.38 × 247,516.92
  4. Step 4: Simplify right side
    380,541.60x = 141,183,745,224.43
  5. Step 5: Solve for x
    x = 141,183,745,224.43/380,541.60
  6. Step 6: Final answer
    x = 371,007.39

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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.