Home / 257,371.03-355,192.14-165,572.29

Finding the Fourth Proportional to 257,371.03, 355,192.14 and 165,572.29

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Solution

The fourth proportional to 257,371.03, 355,192.14 and 165,572.29 is: 228,502.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,371.03 : 355,192.14 = 165,572.29 : x
  2. Step 2: Convert to fraction form
    257,371.03/355,192.14 = 165,572.29/x
  3. Step 3: Cross multiply
    257,371.03x = 355,192.14 × 165,572.29
  4. Step 4: Simplify right side
    257,371.03x = 58,809,976,009.80
  5. Step 5: Solve for x
    x = 58,809,976,009.80/257,371.03
  6. Step 6: Final answer
    x = 228,502.70

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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.