Home / 414,391.56-621,587.34-165,075.72

Finding the Fourth Proportional to 414,391.56, 621,587.34 and 165,075.72

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Solution

The fourth proportional to 414,391.56, 621,587.34 and 165,075.72 is: 247,613.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,391.56 : 621,587.34 = 165,075.72 : x
  2. Step 2: Convert to fraction form
    414,391.56/621,587.34 = 165,075.72/x
  3. Step 3: Cross multiply
    414,391.56x = 621,587.34 × 165,075.72
  4. Step 4: Simplify right side
    414,391.56x = 102,608,977,693.39
  5. Step 5: Solve for x
    x = 102,608,977,693.39/414,391.56
  6. Step 6: Final answer
    x = 247,613.58

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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.