Home / 219,305.20-329,089.02-201,459.28

Finding the Fourth Proportional to 219,305.20, 329,089.02 and 201,459.28

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Solution

The fourth proportional to 219,305.20, 329,089.02 and 201,459.28 is: 302,309.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,305.20 : 329,089.02 = 201,459.28 : x
  2. Step 2: Convert to fraction form
    219,305.20/329,089.02 = 201,459.28/x
  3. Step 3: Cross multiply
    219,305.20x = 329,089.02 × 201,459.28
  4. Step 4: Simplify right side
    219,305.20x = 66,298,037,025.11
  5. Step 5: Solve for x
    x = 66,298,037,025.11/219,305.20
  6. Step 6: Final answer
    x = 302,309.46

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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.