Home / 361,336.59-498,631.26-208,381.23

Finding the Fourth Proportional to 361,336.59, 498,631.26 and 208,381.23

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Solution

The fourth proportional to 361,336.59, 498,631.26 and 208,381.23 is: 287,558.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,336.59 : 498,631.26 = 208,381.23 : x
  2. Step 2: Convert to fraction form
    361,336.59/498,631.26 = 208,381.23/x
  3. Step 3: Cross multiply
    361,336.59x = 498,631.26 × 208,381.23
  4. Step 4: Simplify right side
    361,336.59x = 103,905,395,275.25
  5. Step 5: Solve for x
    x = 103,905,395,275.25/361,336.59
  6. Step 6: Final answer
    x = 287,558.47

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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.