Home / 414,724.48-621,335.76-190,272.64

Finding the Fourth Proportional to 414,724.48, 621,335.76 and 190,272.64

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Solution

The fourth proportional to 414,724.48, 621,335.76 and 190,272.64 is: 285,064.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,724.48 : 621,335.76 = 190,272.64 : x
  2. Step 2: Convert to fraction form
    414,724.48/621,335.76 = 190,272.64/x
  3. Step 3: Cross multiply
    414,724.48x = 621,335.76 × 190,272.64
  4. Step 4: Simplify right side
    414,724.48x = 118,223,195,381.61
  5. Step 5: Solve for x
    x = 118,223,195,381.61/414,724.48
  6. Step 6: Final answer
    x = 285,064.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.