Home / 414,511.60-621,741.84-148,259.20

Finding the Fourth Proportional to 414,511.60, 621,741.84 and 148,259.20

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Solution

The fourth proportional to 414,511.60, 621,741.84 and 148,259.20 is: 222,379.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,511.60 : 621,741.84 = 148,259.20 : x
  2. Step 2: Convert to fraction form
    414,511.60/621,741.84 = 148,259.20/x
  3. Step 3: Cross multiply
    414,511.60x = 621,741.84 × 148,259.20
  4. Step 4: Simplify right side
    414,511.60x = 92,178,947,804.93
  5. Step 5: Solve for x
    x = 92,178,947,804.93/414,511.60
  6. Step 6: Final answer
    x = 222,379.66

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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.