Home / 361,598.05-498,904.31-284,879.02

Finding the Fourth Proportional to 361,598.05, 498,904.31 and 284,879.02

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Solution

The fourth proportional to 361,598.05, 498,904.31 and 284,879.02 is: 393,053.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,598.05 : 498,904.31 = 284,879.02 : x
  2. Step 2: Convert to fraction form
    361,598.05/498,904.31 = 284,879.02/x
  3. Step 3: Cross multiply
    361,598.05x = 498,904.31 × 284,879.02
  4. Step 4: Simplify right side
    361,598.05x = 142,127,370,906.58
  5. Step 5: Solve for x
    x = 142,127,370,906.58/361,598.05
  6. Step 6: Final answer
    x = 393,053.48

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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.