Home / 219,214.40-328,639.35-92,951.60

Finding the Fourth Proportional to 219,214.40, 328,639.35 and 92,951.60

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Solution

The fourth proportional to 219,214.40, 328,639.35 and 92,951.60 is: 139,350.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,214.40 : 328,639.35 = 92,951.60 : x
  2. Step 2: Convert to fraction form
    219,214.40/328,639.35 = 92,951.60/x
  3. Step 3: Cross multiply
    219,214.40x = 328,639.35 × 92,951.60
  4. Step 4: Simplify right side
    219,214.40x = 30,547,553,405.46
  5. Step 5: Solve for x
    x = 30,547,553,405.46/219,214.40
  6. Step 6: Final answer
    x = 139,350.12

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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.