Home / 361,176.43-498,428.70-208,211.77

Finding the Fourth Proportional to 361,176.43, 498,428.70 and 208,211.77

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Solution

The fourth proportional to 361,176.43, 498,428.70 and 208,211.77 is: 287,335.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,176.43 : 498,428.70 = 208,211.77 : x
  2. Step 2: Convert to fraction form
    361,176.43/498,428.70 = 208,211.77/x
  3. Step 3: Cross multiply
    361,176.43x = 498,428.70 × 208,211.77
  4. Step 4: Simplify right side
    361,176.43x = 103,778,721,845.80
  5. Step 5: Solve for x
    x = 103,778,721,845.80/361,176.43
  6. Step 6: Final answer
    x = 287,335.26

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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.