Home / 361,435.10-498,708.43-218,202.93

Finding the Fourth Proportional to 361,435.10, 498,708.43 and 218,202.93

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Solution

The fourth proportional to 361,435.10, 498,708.43 and 218,202.93 is: 301,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,435.10 : 498,708.43 = 218,202.93 : x
  2. Step 2: Convert to fraction form
    361,435.10/498,708.43 = 218,202.93/x
  3. Step 3: Cross multiply
    361,435.10x = 498,708.43 × 218,202.93
  4. Step 4: Simplify right side
    361,435.10x = 108,819,640,096.19
  5. Step 5: Solve for x
    x = 108,819,640,096.19/361,435.10
  6. Step 6: Final answer
    x = 301,076.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.