Home / 630,046.24-945,072.78-156,731.68

Finding the Fourth Proportional to 630,046.24, 945,072.78 and 156,731.68

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Solution

The fourth proportional to 630,046.24, 945,072.78 and 156,731.68 is: 235,098.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,046.24 : 945,072.78 = 156,731.68 : x
  2. Step 2: Convert to fraction form
    630,046.24/945,072.78 = 156,731.68/x
  3. Step 3: Cross multiply
    630,046.24x = 945,072.78 × 156,731.68
  4. Step 4: Simplify right side
    630,046.24x = 148,122,844,531.67
  5. Step 5: Solve for x
    x = 148,122,844,531.67/630,046.24
  6. Step 6: Final answer
    x = 235,098.37

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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.