Home / 219,004.08-328,080.03-143,896.02

Finding the Fourth Proportional to 219,004.08, 328,080.03 and 143,896.02

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Solution

The fourth proportional to 219,004.08, 328,080.03 and 143,896.02 is: 215,564.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,004.08 : 328,080.03 = 143,896.02 : x
  2. Step 2: Convert to fraction form
    219,004.08/328,080.03 = 143,896.02/x
  3. Step 3: Cross multiply
    219,004.08x = 328,080.03 × 143,896.02
  4. Step 4: Simplify right side
    219,004.08x = 47,209,410,558.48
  5. Step 5: Solve for x
    x = 47,209,410,558.48/219,004.08
  6. Step 6: Final answer
    x = 215,564.07

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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.