Home / 272,873.48-409,387.98-198,068.36

Finding the Fourth Proportional to 272,873.48, 409,387.98 and 198,068.36

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Solution

The fourth proportional to 272,873.48, 409,387.98 and 198,068.36 is: 297,158.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,873.48 : 409,387.98 = 198,068.36 : x
  2. Step 2: Convert to fraction form
    272,873.48/409,387.98 = 198,068.36/x
  3. Step 3: Cross multiply
    272,873.48x = 409,387.98 × 198,068.36
  4. Step 4: Simplify right side
    272,873.48x = 81,086,805,802.31
  5. Step 5: Solve for x
    x = 81,086,805,802.31/272,873.48
  6. Step 6: Final answer
    x = 297,158.98

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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.