Home / 417,121.52-575,321.96-273,829.28

Finding the Fourth Proportional to 417,121.52, 575,321.96 and 273,829.28

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Solution

The fourth proportional to 417,121.52, 575,321.96 and 273,829.28 is: 377,683.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,121.52 : 575,321.96 = 273,829.28 : x
  2. Step 2: Convert to fraction form
    417,121.52/575,321.96 = 273,829.28/x
  3. Step 3: Cross multiply
    417,121.52x = 575,321.96 × 273,829.28
  4. Step 4: Simplify right side
    417,121.52x = 157,539,996,705.84
  5. Step 5: Solve for x
    x = 157,539,996,705.84/417,121.52
  6. Step 6: Final answer
    x = 377,683.69

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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.