Home / 219,260.16-328,838.40-100,857.60

Finding the Fourth Proportional to 219,260.16, 328,838.40 and 100,857.60

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Solution

The fourth proportional to 219,260.16, 328,838.40 and 100,857.60 is: 151,262.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,260.16 : 328,838.40 = 100,857.60 : x
  2. Step 2: Convert to fraction form
    219,260.16/328,838.40 = 100,857.60/x
  3. Step 3: Cross multiply
    219,260.16x = 328,838.40 × 100,857.60
  4. Step 4: Simplify right side
    219,260.16x = 33,165,851,811.84
  5. Step 5: Solve for x
    x = 33,165,851,811.84/219,260.16
  6. Step 6: Final answer
    x = 151,262.55

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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.