Home / 219,300.40-328,513.20-152,815.60

Finding the Fourth Proportional to 219,300.40, 328,513.20 and 152,815.60

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Solution

The fourth proportional to 219,300.40, 328,513.20 and 152,815.60 is: 228,918.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,300.40 : 328,513.20 = 152,815.60 : x
  2. Step 2: Convert to fraction form
    219,300.40/328,513.20 = 152,815.60/x
  3. Step 3: Cross multiply
    219,300.40x = 328,513.20 × 152,815.60
  4. Step 4: Simplify right side
    219,300.40x = 50,201,941,765.92
  5. Step 5: Solve for x
    x = 50,201,941,765.92/219,300.40
  6. Step 6: Final answer
    x = 228,918.61

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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.