Home / 630,667.56-945,438.72-231,215.10

Finding the Fourth Proportional to 630,667.56, 945,438.72 and 231,215.10

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Solution

The fourth proportional to 630,667.56, 945,438.72 and 231,215.10 is: 346,616.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,667.56 : 945,438.72 = 231,215.10 : x
  2. Step 2: Convert to fraction form
    630,667.56/945,438.72 = 231,215.10/x
  3. Step 3: Cross multiply
    630,667.56x = 945,438.72 × 231,215.10
  4. Step 4: Simplify right side
    630,667.56x = 218,599,708,188.67
  5. Step 5: Solve for x
    x = 218,599,708,188.67/630,667.56
  6. Step 6: Final answer
    x = 346,616.38

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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.