Home / 219,368.10-328,833.45-100,832.70

Finding the Fourth Proportional to 219,368.10, 328,833.45 and 100,832.70

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Solution

The fourth proportional to 219,368.10, 328,833.45 and 100,832.70 is: 151,148.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,368.10 : 328,833.45 = 100,832.70 : x
  2. Step 2: Convert to fraction form
    219,368.10/328,833.45 = 100,832.70/x
  3. Step 3: Cross multiply
    219,368.10x = 328,833.45 × 100,832.70
  4. Step 4: Simplify right side
    219,368.10x = 33,157,164,613.82
  5. Step 5: Solve for x
    x = 33,157,164,613.82/219,368.10
  6. Step 6: Final answer
    x = 151,148.52

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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.