Home / 348,359.56-480,780.68-205,132.96

Finding the Fourth Proportional to 348,359.56, 480,780.68 and 205,132.96

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Solution

The fourth proportional to 348,359.56, 480,780.68 and 205,132.96 is: 283,109.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,359.56 : 480,780.68 = 205,132.96 : x
  2. Step 2: Convert to fraction form
    348,359.56/480,780.68 = 205,132.96/x
  3. Step 3: Cross multiply
    348,359.56x = 480,780.68 × 205,132.96
  4. Step 4: Simplify right side
    348,359.56x = 98,623,963,999.21
  5. Step 5: Solve for x
    x = 98,623,963,999.21/348,359.56
  6. Step 6: Final answer
    x = 283,109.68

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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.