Home / 666,635.48-1,000,146.88-240,163.19

Finding the Fourth Proportional to 666,635.48, 1,000,146.88 and 240,163.19

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Solution

The fourth proportional to 666,635.48, 1,000,146.88 and 240,163.19 is: 360,314.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,635.48 : 1,000,146.88 = 240,163.19 : x
  2. Step 2: Convert to fraction form
    666,635.48/1,000,146.88 = 240,163.19/x
  3. Step 3: Cross multiply
    666,635.48x = 1,000,146.88 × 240,163.19
  4. Step 4: Simplify right side
    666,635.48x = 240,198,464,219.37
  5. Step 5: Solve for x
    x = 240,198,464,219.37/666,635.48
  6. Step 6: Final answer
    x = 360,314.55

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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.