Home / 211,577.28-317,373.44-71,337.12

Finding the Fourth Proportional to 211,577.28, 317,373.44 and 71,337.12

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Solution

The fourth proportional to 211,577.28, 317,373.44 and 71,337.12 is: 107,008.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,577.28 : 317,373.44 = 71,337.12 : x
  2. Step 2: Convert to fraction form
    211,577.28/317,373.44 = 71,337.12/x
  3. Step 3: Cross multiply
    211,577.28x = 317,373.44 × 71,337.12
  4. Step 4: Simplify right side
    211,577.28x = 22,640,507,174.09
  5. Step 5: Solve for x
    x = 22,640,507,174.09/211,577.28
  6. Step 6: Final answer
    x = 107,008.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.