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Finding the Fourth Proportional to 268,353, 370,319.31 and 147,494.25

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Solution

The fourth proportional to 268,353, 370,319.31 and 147,494.25 is: 203,537.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,353 : 370,319.31 = 147,494.25 : x
  2. Step 2: Convert to fraction form
    268,353/370,319.31 = 147,494.25/x
  3. Step 3: Cross multiply
    268,353x = 370,319.31 × 147,494.25
  4. Step 4: Simplify right side
    268,353x = 54,619,968,888.97
  5. Step 5: Solve for x
    x = 54,619,968,888.97/268,353
  6. Step 6: Final answer
    x = 203,537.76

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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.