Home / 219,245.12-328,830.62-61,437.27

Finding the Fourth Proportional to 219,245.12, 328,830.62 and 61,437.27

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Solution

The fourth proportional to 219,245.12, 328,830.62 and 61,437.27 is: 92,145.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,245.12 : 328,830.62 = 61,437.27 : x
  2. Step 2: Convert to fraction form
    219,245.12/328,830.62 = 61,437.27/x
  3. Step 3: Cross multiply
    219,245.12x = 328,830.62 × 61,437.27
  4. Step 4: Simplify right side
    219,245.12x = 20,202,455,585.21
  5. Step 5: Solve for x
    x = 20,202,455,585.21/219,245.12
  6. Step 6: Final answer
    x = 92,145.52

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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.