Home / 256,265.46-353,646.96-143,092.26

Finding the Fourth Proportional to 256,265.46, 353,646.96 and 143,092.26

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Solution

The fourth proportional to 256,265.46, 353,646.96 and 143,092.26 is: 197,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,265.46 : 353,646.96 = 143,092.26 : x
  2. Step 2: Convert to fraction form
    256,265.46/353,646.96 = 143,092.26/x
  3. Step 3: Cross multiply
    256,265.46x = 353,646.96 × 143,092.26
  4. Step 4: Simplify right side
    256,265.46x = 50,604,142,748.53
  5. Step 5: Solve for x
    x = 50,604,142,748.53/256,265.46
  6. Step 6: Final answer
    x = 197,467.67

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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.