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Finding the Fourth Proportional to 401,992.62, 555,009.39 and 249,193.32

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Solution

The fourth proportional to 401,992.62, 555,009.39 and 249,193.32 is: 344,047.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,992.62 : 555,009.39 = 249,193.32 : x
  2. Step 2: Convert to fraction form
    401,992.62/555,009.39 = 249,193.32/x
  3. Step 3: Cross multiply
    401,992.62x = 555,009.39 × 249,193.32
  4. Step 4: Simplify right side
    401,992.62x = 138,304,632,525.28
  5. Step 5: Solve for x
    x = 138,304,632,525.28/401,992.62
  6. Step 6: Final answer
    x = 344,047.69

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1.5x scale

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.