Home / 420,544.62-630,825.87-150,690.36

Finding the Fourth Proportional to 420,544.62, 630,825.87 and 150,690.36

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Solution

The fourth proportional to 420,544.62, 630,825.87 and 150,690.36 is: 226,038.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,544.62 : 630,825.87 = 150,690.36 : x
  2. Step 2: Convert to fraction form
    420,544.62/630,825.87 = 150,690.36/x
  3. Step 3: Cross multiply
    420,544.62x = 630,825.87 × 150,690.36
  4. Step 4: Simplify right side
    420,544.62x = 95,059,377,447.61
  5. Step 5: Solve for x
    x = 95,059,377,447.61/420,544.62
  6. Step 6: Final answer
    x = 226,038.74

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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.