Home / 256,569.87-353,835.63-165,830.43

Finding the Fourth Proportional to 256,569.87, 353,835.63 and 165,830.43

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Solution

The fourth proportional to 256,569.87, 353,835.63 and 165,830.43 is: 228,696.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,569.87 : 353,835.63 = 165,830.43 : x
  2. Step 2: Convert to fraction form
    256,569.87/353,835.63 = 165,830.43/x
  3. Step 3: Cross multiply
    256,569.87x = 353,835.63 × 165,830.43
  4. Step 4: Simplify right side
    256,569.87x = 58,676,714,672.22
  5. Step 5: Solve for x
    x = 58,676,714,672.22/256,569.87
  6. Step 6: Final answer
    x = 228,696.83

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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.