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Finding the Fourth Proportional to 630,661.56, 945,429.72 and 231,209.07

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Solution

The fourth proportional to 630,661.56, 945,429.72 and 231,209.07 is: 346,607.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,661.56 : 945,429.72 = 231,209.07 : x
  2. Step 2: Convert to fraction form
    630,661.56/945,429.72 = 231,209.07/x
  3. Step 3: Cross multiply
    630,661.56x = 945,429.72 × 231,209.07
  4. Step 4: Simplify right side
    630,661.56x = 218,591,926,311.56
  5. Step 5: Solve for x
    x = 218,591,926,311.56/630,661.56
  6. Step 6: Final answer
    x = 346,607.34

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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.