Home / 361,150.28-498,386.42-208,187.62

Finding the Fourth Proportional to 361,150.28, 498,386.42 and 208,187.62

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Solution

The fourth proportional to 361,150.28, 498,386.42 and 208,187.62 is: 287,298.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,150.28 : 498,386.42 = 208,187.62 : x
  2. Step 2: Convert to fraction form
    361,150.28/498,386.42 = 208,187.62/x
  3. Step 3: Cross multiply
    361,150.28x = 498,386.42 × 208,187.62
  4. Step 4: Simplify right side
    361,150.28x = 103,757,881,113.92
  5. Step 5: Solve for x
    x = 103,757,881,113.92/361,150.28
  6. Step 6: Final answer
    x = 287,298.36

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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.