Home / 218,327.95-301,268.20-122,832.60

Finding the Fourth Proportional to 218,327.95, 301,268.20 and 122,832.60

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Solution

The fourth proportional to 218,327.95, 301,268.20 and 122,832.60 is: 169,495.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,327.95 : 301,268.20 = 122,832.60 : x
  2. Step 2: Convert to fraction form
    218,327.95/301,268.20 = 122,832.60/x
  3. Step 3: Cross multiply
    218,327.95x = 301,268.20 × 122,832.60
  4. Step 4: Simplify right side
    218,327.95x = 37,005,556,303.32
  5. Step 5: Solve for x
    x = 37,005,556,303.32/218,327.95
  6. Step 6: Final answer
    x = 169,495.28

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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.