Home / 209,201.79-288,837.50-160,717.37

Finding the Fourth Proportional to 209,201.79, 288,837.50 and 160,717.37

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Solution

The fourth proportional to 209,201.79, 288,837.50 and 160,717.37 is: 221,896.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,201.79 : 288,837.50 = 160,717.37 : x
  2. Step 2: Convert to fraction form
    209,201.79/288,837.50 = 160,717.37/x
  3. Step 3: Cross multiply
    209,201.79x = 288,837.50 × 160,717.37
  4. Step 4: Simplify right side
    209,201.79x = 46,421,201,109.60
  5. Step 5: Solve for x
    x = 46,421,201,109.60/209,201.79
  6. Step 6: Final answer
    x = 221,896.77

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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.