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Finding the Fourth Proportional to 243,383.51, 336,099.30 and 230,130.29

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Solution

The fourth proportional to 243,383.51, 336,099.30 and 230,130.29 is: 317,797.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,383.51 : 336,099.30 = 230,130.29 : x
  2. Step 2: Convert to fraction form
    243,383.51/336,099.30 = 230,130.29/x
  3. Step 3: Cross multiply
    243,383.51x = 336,099.30 × 230,130.29
  4. Step 4: Simplify right side
    243,383.51x = 77,346,629,377.80
  5. Step 5: Solve for x
    x = 77,346,629,377.80/243,383.51
  6. Step 6: Final answer
    x = 317,797.33

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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.