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Finding the Fourth Proportional to 630,305.56, 945,330.76 and 230,809.91

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Solution

The fourth proportional to 630,305.56, 945,330.76 and 230,809.91 is: 346,168.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,305.56 : 945,330.76 = 230,809.91 : x
  2. Step 2: Convert to fraction form
    630,305.56/945,330.76 = 230,809.91/x
  3. Step 3: Cross multiply
    630,305.56x = 945,330.76 × 230,809.91
  4. Step 4: Simplify right side
    630,305.56x = 218,191,709,422.13
  5. Step 5: Solve for x
    x = 218,191,709,422.13/630,305.56
  6. Step 6: Final answer
    x = 346,168.15

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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.