Home / 420,581.88-630,881.58-150,727.56

Finding the Fourth Proportional to 420,581.88, 630,881.58 and 150,727.56

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Solution

The fourth proportional to 420,581.88, 630,881.58 and 150,727.56 is: 226,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,581.88 : 630,881.58 = 150,727.56 : x
  2. Step 2: Convert to fraction form
    420,581.88/630,881.58 = 150,727.56/x
  3. Step 3: Cross multiply
    420,581.88x = 630,881.58 × 150,727.56
  4. Step 4: Simplify right side
    420,581.88x = 95,091,241,202.34
  5. Step 5: Solve for x
    x = 95,091,241,202.34/420,581.88
  6. Step 6: Final answer
    x = 226,094.48

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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.