Home / 630,163.31-945,240.09-156,845.48

Finding the Fourth Proportional to 630,163.31, 945,240.09 and 156,845.48

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Solution

The fourth proportional to 630,163.31, 945,240.09 and 156,845.48 is: 235,267.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,163.31 : 945,240.09 = 156,845.48 : x
  2. Step 2: Convert to fraction form
    630,163.31/945,240.09 = 156,845.48/x
  3. Step 3: Cross multiply
    630,163.31x = 945,240.09 × 156,845.48
  4. Step 4: Simplify right side
    630,163.31x = 148,256,630,905.09
  5. Step 5: Solve for x
    x = 148,256,630,905.09/630,163.31
  6. Step 6: Final answer
    x = 235,267.00

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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.