Home / 302,579.82-453,872.16-102,945.60

Finding the Fourth Proportional to 302,579.82, 453,872.16 and 102,945.60

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Solution

The fourth proportional to 302,579.82, 453,872.16 and 102,945.60 is: 154,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,579.82 : 453,872.16 = 102,945.60 : x
  2. Step 2: Convert to fraction form
    302,579.82/453,872.16 = 102,945.60/x
  3. Step 3: Cross multiply
    302,579.82x = 453,872.16 × 102,945.60
  4. Step 4: Simplify right side
    302,579.82x = 46,724,141,834.50
  5. Step 5: Solve for x
    x = 46,724,141,834.50/302,579.82
  6. Step 6: Final answer
    x = 154,419.23

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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.