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Finding the Fourth Proportional to 463,579.00, 695,605.81 and 220,694.95

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Solution

The fourth proportional to 463,579.00, 695,605.81 and 220,694.95 is: 331,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,579.00 : 695,605.81 = 220,694.95 : x
  2. Step 2: Convert to fraction form
    463,579.00/695,605.81 = 220,694.95/x
  3. Step 3: Cross multiply
    463,579.00x = 695,605.81 × 220,694.95
  4. Step 4: Simplify right side
    463,579.00x = 153,516,685,427.89
  5. Step 5: Solve for x
    x = 153,516,685,427.89/463,579.00
  6. Step 6: Final answer
    x = 331,155.40

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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.