Home / 401,183.70-553,690.26-248,271.15

Finding the Fourth Proportional to 401,183.70, 553,690.26 and 248,271.15

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Solution

The fourth proportional to 401,183.70, 553,690.26 and 248,271.15 is: 342,649.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,183.70 : 553,690.26 = 248,271.15 : x
  2. Step 2: Convert to fraction form
    401,183.70/553,690.26 = 248,271.15/x
  3. Step 3: Cross multiply
    401,183.70x = 553,690.26 × 248,271.15
  4. Step 4: Simplify right side
    401,183.70x = 137,465,317,594.00
  5. Step 5: Solve for x
    x = 137,465,317,594.00/401,183.70
  6. Step 6: Final answer
    x = 342,649.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.