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Finding the Fourth Proportional to 268,485.51, 370,511.39 and 147,634.62

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Solution

The fourth proportional to 268,485.51, 370,511.39 and 147,634.62 is: 203,736.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,485.51 : 370,511.39 = 147,634.62 : x
  2. Step 2: Convert to fraction form
    268,485.51/370,511.39 = 147,634.62/x
  3. Step 3: Cross multiply
    268,485.51x = 370,511.39 × 147,634.62
  4. Step 4: Simplify right side
    268,485.51x = 54,700,307,530.15
  5. Step 5: Solve for x
    x = 54,700,307,530.15/268,485.51
  6. Step 6: Final answer
    x = 203,736.54

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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.