Home / 351,971.21-528,055.23-115,479.97

Finding the Fourth Proportional to 351,971.21, 528,055.23 and 115,479.97

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Solution

The fourth proportional to 351,971.21, 528,055.23 and 115,479.97 is: 173,252.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,971.21 : 528,055.23 = 115,479.97 : x
  2. Step 2: Convert to fraction form
    351,971.21/528,055.23 = 115,479.97/x
  3. Step 3: Cross multiply
    351,971.21x = 528,055.23 × 115,479.97
  4. Step 4: Simplify right side
    351,971.21x = 60,979,802,118.74
  5. Step 5: Solve for x
    x = 60,979,802,118.74/351,971.21
  6. Step 6: Final answer
    x = 173,252.24

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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.