Home / 219,739.32-329,621.85-84,804.10

Finding the Fourth Proportional to 219,739.32, 329,621.85 and 84,804.10

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Solution

The fourth proportional to 219,739.32, 329,621.85 and 84,804.10 is: 127,211.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,739.32 : 329,621.85 = 84,804.10 : x
  2. Step 2: Convert to fraction form
    219,739.32/329,621.85 = 84,804.10/x
  3. Step 3: Cross multiply
    219,739.32x = 329,621.85 × 84,804.10
  4. Step 4: Simplify right side
    219,739.32x = 27,953,283,505.53
  5. Step 5: Solve for x
    x = 27,953,283,505.53/219,739.32
  6. Step 6: Final answer
    x = 127,211.11

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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.