Home / 211,567.32-317,352.06-71,327.16

Finding the Fourth Proportional to 211,567.32, 317,352.06 and 71,327.16

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Solution

The fourth proportional to 211,567.32, 317,352.06 and 71,327.16 is: 106,991.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,567.32 : 317,352.06 = 71,327.16 : x
  2. Step 2: Convert to fraction form
    211,567.32/317,352.06 = 71,327.16/x
  3. Step 3: Cross multiply
    211,567.32x = 317,352.06 × 71,327.16
  4. Step 4: Simplify right side
    211,567.32x = 22,635,821,159.95
  5. Step 5: Solve for x
    x = 22,635,821,159.95/211,567.32
  6. Step 6: Final answer
    x = 106,991.10

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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.