Home / 227,303.01-313,549.71-142,272.45

Finding the Fourth Proportional to 227,303.01, 313,549.71 and 142,272.45

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Solution

The fourth proportional to 227,303.01, 313,549.71 and 142,272.45 is: 196,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,303.01 : 313,549.71 = 142,272.45 : x
  2. Step 2: Convert to fraction form
    227,303.01/313,549.71 = 142,272.45/x
  3. Step 3: Cross multiply
    227,303.01x = 313,549.71 × 142,272.45
  4. Step 4: Simplify right side
    227,303.01x = 44,609,485,438.49
  5. Step 5: Solve for x
    x = 44,609,485,438.49/227,303.01
  6. Step 6: Final answer
    x = 196,255.59

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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.