Home / 348,029.22-521,512.44-258,851.46

Finding the Fourth Proportional to 348,029.22, 521,512.44 and 258,851.46

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Solution

The fourth proportional to 348,029.22, 521,512.44 and 258,851.46 is: 387,881.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,029.22 : 521,512.44 = 258,851.46 : x
  2. Step 2: Convert to fraction form
    348,029.22/521,512.44 = 258,851.46/x
  3. Step 3: Cross multiply
    348,029.22x = 521,512.44 × 258,851.46
  4. Step 4: Simplify right side
    348,029.22x = 134,994,256,502.16
  5. Step 5: Solve for x
    x = 134,994,256,502.16/348,029.22
  6. Step 6: Final answer
    x = 387,881.96

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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.