Home / 420,558.18-630,846.12-150,703.90

Finding the Fourth Proportional to 420,558.18, 630,846.12 and 150,703.90

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Solution

The fourth proportional to 420,558.18, 630,846.12 and 150,703.90 is: 226,059.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,558.18 : 630,846.12 = 150,703.90 : x
  2. Step 2: Convert to fraction form
    420,558.18/630,846.12 = 150,703.90/x
  3. Step 3: Cross multiply
    420,558.18x = 630,846.12 × 150,703.90
  4. Step 4: Simplify right side
    420,558.18x = 95,070,970,583.87
  5. Step 5: Solve for x
    x = 95,070,970,583.87/420,558.18
  6. Step 6: Final answer
    x = 226,059.02

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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.