Home / 227,277.72-313,513.20-142,247.16

Finding the Fourth Proportional to 227,277.72, 313,513.20 and 142,247.16

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Solution

The fourth proportional to 227,277.72, 313,513.20 and 142,247.16 is: 196,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,277.72 : 313,513.20 = 142,247.16 : x
  2. Step 2: Convert to fraction form
    227,277.72/313,513.20 = 142,247.16/x
  3. Step 3: Cross multiply
    227,277.72x = 313,513.20 × 142,247.16
  4. Step 4: Simplify right side
    227,277.72x = 44,596,362,322.51
  5. Step 5: Solve for x
    x = 44,596,362,322.51/227,277.72
  6. Step 6: Final answer
    x = 196,219.68

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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.