Home / 237,778.46-328,144.48-142,266.78

Finding the Fourth Proportional to 237,778.46, 328,144.48 and 142,266.78

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Solution

The fourth proportional to 237,778.46, 328,144.48 and 142,266.78 is: 196,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,778.46 : 328,144.48 = 142,266.78 : x
  2. Step 2: Convert to fraction form
    237,778.46/328,144.48 = 142,266.78/x
  3. Step 3: Cross multiply
    237,778.46x = 328,144.48 × 142,266.78
  4. Step 4: Simplify right side
    237,778.46x = 46,684,058,544.37
  5. Step 5: Solve for x
    x = 46,684,058,544.37/237,778.46
  6. Step 6: Final answer
    x = 196,334.26

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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.