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Finding the Fourth Proportional to 610,313.32, 915,344.83 and 231,103.27

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Solution

The fourth proportional to 610,313.32, 915,344.83 and 231,103.27 is: 346,607.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,313.32 : 915,344.83 = 231,103.27 : x
  2. Step 2: Convert to fraction form
    610,313.32/915,344.83 = 231,103.27/x
  3. Step 3: Cross multiply
    610,313.32x = 915,344.83 × 231,103.27
  4. Step 4: Simplify right side
    610,313.32x = 211,539,177,658.35
  5. Step 5: Solve for x
    x = 211,539,177,658.35/610,313.32
  6. Step 6: Final answer
    x = 346,607.51

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1.5x scale

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.