Home / 442,180.56-610,307.40-281,004

Finding the Fourth Proportional to 442,180.56, 610,307.40 and 281,004

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Solution

The fourth proportional to 442,180.56, 610,307.40 and 281,004 is: 387,847.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,180.56 : 610,307.40 = 281,004 : x
  2. Step 2: Convert to fraction form
    442,180.56/610,307.40 = 281,004/x
  3. Step 3: Cross multiply
    442,180.56x = 610,307.40 × 281,004
  4. Step 4: Simplify right side
    442,180.56x = 171,498,820,629.60
  5. Step 5: Solve for x
    x = 171,498,820,629.60/442,180.56
  6. Step 6: Final answer
    x = 387,847.94

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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.