Home / 203,486.95-305,144.02-98,338.15

Finding the Fourth Proportional to 203,486.95, 305,144.02 and 98,338.15

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Solution

The fourth proportional to 203,486.95, 305,144.02 and 98,338.15 is: 147,465.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,486.95 : 305,144.02 = 98,338.15 : x
  2. Step 2: Convert to fraction form
    203,486.95/305,144.02 = 98,338.15/x
  3. Step 3: Cross multiply
    203,486.95x = 305,144.02 × 98,338.15
  4. Step 4: Simplify right side
    203,486.95x = 30,007,298,410.36
  5. Step 5: Solve for x
    x = 30,007,298,410.36/203,486.95
  6. Step 6: Final answer
    x = 147,465.47

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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.