Home / 219,639.60-328,730.40-159,497.10

Finding the Fourth Proportional to 219,639.60, 328,730.40 and 159,497.10

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Solution

The fourth proportional to 219,639.60, 328,730.40 and 159,497.10 is: 238,716.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,639.60 : 328,730.40 = 159,497.10 : x
  2. Step 2: Convert to fraction form
    219,639.60/328,730.40 = 159,497.10/x
  3. Step 3: Cross multiply
    219,639.60x = 328,730.40 × 159,497.10
  4. Step 4: Simplify right side
    219,639.60x = 52,431,545,481.84
  5. Step 5: Solve for x
    x = 52,431,545,481.84/219,639.60
  6. Step 6: Final answer
    x = 238,716.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.