Home / 145,485.45-218,231.82-40,305.33

Finding the Fourth Proportional to 145,485.45, 218,231.82 and 40,305.33

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Solution

The fourth proportional to 145,485.45, 218,231.82 and 40,305.33 is: 60,459.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,485.45 : 218,231.82 = 40,305.33 : x
  2. Step 2: Convert to fraction form
    145,485.45/218,231.82 = 40,305.33/x
  3. Step 3: Cross multiply
    145,485.45x = 218,231.82 × 40,305.33
  4. Step 4: Simplify right side
    145,485.45x = 8,795,905,521.60
  5. Step 5: Solve for x
    x = 8,795,905,521.60/145,485.45
  6. Step 6: Final answer
    x = 60,459.00

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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.