Home / 288,387.04-397,916.32-161,043.04

Finding the Fourth Proportional to 288,387.04, 397,916.32 and 161,043.04

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Solution

The fourth proportional to 288,387.04, 397,916.32 and 161,043.04 is: 222,207.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,387.04 : 397,916.32 = 161,043.04 : x
  2. Step 2: Convert to fraction form
    288,387.04/397,916.32 = 161,043.04/x
  3. Step 3: Cross multiply
    288,387.04x = 397,916.32 × 161,043.04
  4. Step 4: Simplify right side
    288,387.04x = 64,081,653,838.41
  5. Step 5: Solve for x
    x = 64,081,653,838.41/288,387.04
  6. Step 6: Final answer
    x = 222,207.12

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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.