Home / 219,079.07-328,676.82-69,322.02

Finding the Fourth Proportional to 219,079.07, 328,676.82 and 69,322.02

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Solution

The fourth proportional to 219,079.07, 328,676.82 and 69,322.02 is: 104,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,079.07 : 328,676.82 = 69,322.02 : x
  2. Step 2: Convert to fraction form
    219,079.07/328,676.82 = 69,322.02/x
  3. Step 3: Cross multiply
    219,079.07x = 328,676.82 × 69,322.02
  4. Step 4: Simplify right side
    219,079.07x = 22,784,541,089.58
  5. Step 5: Solve for x
    x = 22,784,541,089.58/219,079.07
  6. Step 6: Final answer
    x = 104,001.45

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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.