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Finding the Fourth Proportional to 483,155.73, 724,585.96 and 230,303

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Solution

The fourth proportional to 483,155.73, 724,585.96 and 230,303 is: 345,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,155.73 : 724,585.96 = 230,303 : x
  2. Step 2: Convert to fraction form
    483,155.73/724,585.96 = 230,303/x
  3. Step 3: Cross multiply
    483,155.73x = 724,585.96 × 230,303
  4. Step 4: Simplify right side
    483,155.73x = 166,874,320,345.88
  5. Step 5: Solve for x
    x = 166,874,320,345.88/483,155.73
  6. Step 6: Final answer
    x = 345,384.13

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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.