Home / 401,180.70-553,686.12-248,268.14

Finding the Fourth Proportional to 401,180.70, 553,686.12 and 248,268.14

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Solution

The fourth proportional to 401,180.70, 553,686.12 and 248,268.14 is: 342,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,180.70 : 553,686.12 = 248,268.14 : x
  2. Step 2: Convert to fraction form
    401,180.70/553,686.12 = 248,268.14/x
  3. Step 3: Cross multiply
    401,180.70x = 553,686.12 × 248,268.14
  4. Step 4: Simplify right side
    401,180.70x = 137,462,621,148.62
  5. Step 5: Solve for x
    x = 137,462,621,148.62/401,180.70
  6. Step 6: Final answer
    x = 342,645.15

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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.