Home / 218,325.95-301,265.44-122,830.60

Finding the Fourth Proportional to 218,325.95, 301,265.44 and 122,830.60

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Solution

The fourth proportional to 218,325.95, 301,265.44 and 122,830.60 is: 169,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,325.95 : 301,265.44 = 122,830.60 : x
  2. Step 2: Convert to fraction form
    218,325.95/301,265.44 = 122,830.60/x
  3. Step 3: Cross multiply
    218,325.95x = 301,265.44 × 122,830.60
  4. Step 4: Simplify right side
    218,325.95x = 37,004,613,694.22
  5. Step 5: Solve for x
    x = 37,004,613,694.22/218,325.95
  6. Step 6: Final answer
    x = 169,492.51

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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.