Home / 211,549.40-317,324.10-202,218.20

Finding the Fourth Proportional to 211,549.40, 317,324.10 and 202,218.20

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Solution

The fourth proportional to 211,549.40, 317,324.10 and 202,218.20 is: 303,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,549.40 : 317,324.10 = 202,218.20 : x
  2. Step 2: Convert to fraction form
    211,549.40/317,324.10 = 202,218.20/x
  3. Step 3: Cross multiply
    211,549.40x = 317,324.10 × 202,218.20
  4. Step 4: Simplify right side
    211,549.40x = 64,168,708,318.62
  5. Step 5: Solve for x
    x = 64,168,708,318.62/211,549.40
  6. Step 6: Final answer
    x = 303,327.30

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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.