Home / 289,905.24-400,055.73-160,842.34

Finding the Fourth Proportional to 289,905.24, 400,055.73 and 160,842.34

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Solution

The fourth proportional to 289,905.24, 400,055.73 and 160,842.34 is: 221,954.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,905.24 : 400,055.73 = 160,842.34 : x
  2. Step 2: Convert to fraction form
    289,905.24/400,055.73 = 160,842.34/x
  3. Step 3: Cross multiply
    289,905.24x = 400,055.73 × 160,842.34
  4. Step 4: Simplify right side
    289,905.24x = 64,345,899,640.52
  5. Step 5: Solve for x
    x = 64,345,899,640.52/289,905.24
  6. Step 6: Final answer
    x = 221,954.94

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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.