Home / 256,126.86-353,126.51-210,016.62

Finding the Fourth Proportional to 256,126.86, 353,126.51 and 210,016.62

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Solution

The fourth proportional to 256,126.86, 353,126.51 and 210,016.62 is: 289,553.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,126.86 : 353,126.51 = 210,016.62 : x
  2. Step 2: Convert to fraction form
    256,126.86/353,126.51 = 210,016.62/x
  3. Step 3: Cross multiply
    256,126.86x = 353,126.51 × 210,016.62
  4. Step 4: Simplify right side
    256,126.86x = 74,162,436,062.60
  5. Step 5: Solve for x
    x = 74,162,436,062.60/256,126.86
  6. Step 6: Final answer
    x = 289,553.53

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1.5x scale

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.