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Finding the Fourth Proportional to 230,080.62, 317,429.10 and 133,231.62

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Solution

The fourth proportional to 230,080.62, 317,429.10 and 133,231.62 is: 183,812.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,080.62 : 317,429.10 = 133,231.62 : x
  2. Step 2: Convert to fraction form
    230,080.62/317,429.10 = 133,231.62/x
  3. Step 3: Cross multiply
    230,080.62x = 317,429.10 × 133,231.62
  4. Step 4: Simplify right side
    230,080.62x = 42,291,593,228.14
  5. Step 5: Solve for x
    x = 42,291,593,228.14/230,080.62
  6. Step 6: Final answer
    x = 183,812.06

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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.