Home / 320,999.28-442,983.96-175,802.39

Finding the Fourth Proportional to 320,999.28, 442,983.96 and 175,802.39

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Solution

The fourth proportional to 320,999.28, 442,983.96 and 175,802.39 is: 242,610.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,999.28 : 442,983.96 = 175,802.39 : x
  2. Step 2: Convert to fraction form
    320,999.28/442,983.96 = 175,802.39/x
  3. Step 3: Cross multiply
    320,999.28x = 442,983.96 × 175,802.39
  4. Step 4: Simplify right side
    320,999.28x = 77,877,636,684.74
  5. Step 5: Solve for x
    x = 77,877,636,684.74/320,999.28
  6. Step 6: Final answer
    x = 242,610.00

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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.