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Finding the Fourth Proportional to 268,449.62, 370,460.72 and 147,592.96

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Solution

The fourth proportional to 268,449.62, 370,460.72 and 147,592.96 is: 203,678.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,449.62 : 370,460.72 = 147,592.96 : x
  2. Step 2: Convert to fraction form
    268,449.62/370,460.72 = 147,592.96/x
  3. Step 3: Cross multiply
    268,449.62x = 370,460.72 × 147,592.96
  4. Step 4: Simplify right side
    268,449.62x = 54,677,393,671.36
  5. Step 5: Solve for x
    x = 54,677,393,671.36/268,449.62
  6. Step 6: Final answer
    x = 203,678.42

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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.