Home / 445,424.01-667,995.35-145,835.73

Finding the Fourth Proportional to 445,424.01, 667,995.35 and 145,835.73

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Solution

The fourth proportional to 445,424.01, 667,995.35 and 145,835.73 is: 218,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,424.01 : 667,995.35 = 145,835.73 : x
  2. Step 2: Convert to fraction form
    445,424.01/667,995.35 = 145,835.73/x
  3. Step 3: Cross multiply
    445,424.01x = 667,995.35 × 145,835.73
  4. Step 4: Simplify right side
    445,424.01x = 97,417,588,774.68
  5. Step 5: Solve for x
    x = 97,417,588,774.68/445,424.01
  6. Step 6: Final answer
    x = 218,707.54

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1.5x scale

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.