Home / 401,829.72-554,542.38-240,711

Finding the Fourth Proportional to 401,829.72, 554,542.38 and 240,711

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Solution

The fourth proportional to 401,829.72, 554,542.38 and 240,711 is: 332,191.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,829.72 : 554,542.38 = 240,711 : x
  2. Step 2: Convert to fraction form
    401,829.72/554,542.38 = 240,711/x
  3. Step 3: Cross multiply
    401,829.72x = 554,542.38 × 240,711
  4. Step 4: Simplify right side
    401,829.72x = 133,484,450,832.18
  5. Step 5: Solve for x
    x = 133,484,450,832.18/401,829.72
  6. Step 6: Final answer
    x = 332,191.58

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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.