Home / 403,992.36-557,516.52-222,703.20

Finding the Fourth Proportional to 403,992.36, 557,516.52 and 222,703.20

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Solution

The fourth proportional to 403,992.36, 557,516.52 and 222,703.20 is: 307,334.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,992.36 : 557,516.52 = 222,703.20 : x
  2. Step 2: Convert to fraction form
    403,992.36/557,516.52 = 222,703.20/x
  3. Step 3: Cross multiply
    403,992.36x = 557,516.52 × 222,703.20
  4. Step 4: Simplify right side
    403,992.36x = 124,160,713,056.86
  5. Step 5: Solve for x
    x = 124,160,713,056.86/403,992.36
  6. Step 6: Final answer
    x = 307,334.31

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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.