Home / 399,180.06-598,778.58-143,029.32

Finding the Fourth Proportional to 399,180.06, 598,778.58 and 143,029.32

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Solution

The fourth proportional to 399,180.06, 598,778.58 and 143,029.32 is: 214,547.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,180.06 : 598,778.58 = 143,029.32 : x
  2. Step 2: Convert to fraction form
    399,180.06/598,778.58 = 143,029.32/x
  3. Step 3: Cross multiply
    399,180.06x = 598,778.58 × 143,029.32
  4. Step 4: Simplify right side
    399,180.06x = 85,642,893,127.97
  5. Step 5: Solve for x
    x = 85,642,893,127.97/399,180.06
  6. Step 6: Final answer
    x = 214,547.02

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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.