Home / 401,636.04-554,293.56-220,383.24

Finding the Fourth Proportional to 401,636.04, 554,293.56 and 220,383.24

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Solution

The fourth proportional to 401,636.04, 554,293.56 and 220,383.24 is: 304,148.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,636.04 : 554,293.56 = 220,383.24 : x
  2. Step 2: Convert to fraction form
    401,636.04/554,293.56 = 220,383.24/x
  3. Step 3: Cross multiply
    401,636.04x = 554,293.56 × 220,383.24
  4. Step 4: Simplify right side
    401,636.04x = 122,157,010,663.93
  5. Step 5: Solve for x
    x = 122,157,010,663.93/401,636.04
  6. Step 6: Final answer
    x = 304,148.53

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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.