Home / 483,143.82-724,429.53-146,082.30

Finding the Fourth Proportional to 483,143.82, 724,429.53 and 146,082.30

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Solution

The fourth proportional to 483,143.82, 724,429.53 and 146,082.30 is: 219,036.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,143.82 : 724,429.53 = 146,082.30 : x
  2. Step 2: Convert to fraction form
    483,143.82/724,429.53 = 146,082.30/x
  3. Step 3: Cross multiply
    483,143.82x = 724,429.53 × 146,082.30
  4. Step 4: Simplify right side
    483,143.82x = 105,826,331,930.32
  5. Step 5: Solve for x
    x = 105,826,331,930.32/483,143.82
  6. Step 6: Final answer
    x = 219,036.92

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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.