Home / 375,376.22-518,032.08-205,610.34

Finding the Fourth Proportional to 375,376.22, 518,032.08 and 205,610.34

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Solution

The fourth proportional to 375,376.22, 518,032.08 and 205,610.34 is: 283,749.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,376.22 : 518,032.08 = 205,610.34 : x
  2. Step 2: Convert to fraction form
    375,376.22/518,032.08 = 205,610.34/x
  3. Step 3: Cross multiply
    375,376.22x = 518,032.08 × 205,610.34
  4. Step 4: Simplify right side
    375,376.22x = 106,512,752,099.71
  5. Step 5: Solve for x
    x = 106,512,752,099.71/375,376.22
  6. Step 6: Final answer
    x = 283,749.34

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1.5x scale

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.