Home / 445,739.79-668,602.38-179,493.60

Finding the Fourth Proportional to 445,739.79, 668,602.38 and 179,493.60

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Solution

The fourth proportional to 445,739.79, 668,602.38 and 179,493.60 is: 269,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,739.79 : 668,602.38 = 179,493.60 : x
  2. Step 2: Convert to fraction form
    445,739.79/668,602.38 = 179,493.60/x
  3. Step 3: Cross multiply
    445,739.79x = 668,602.38 × 179,493.60
  4. Step 4: Simplify right side
    445,739.79x = 120,009,848,154.77
  5. Step 5: Solve for x
    x = 120,009,848,154.77/445,739.79
  6. Step 6: Final answer
    x = 269,237.46

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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.