Home / 328,015.66-452,813.57-231,298.32

Finding the Fourth Proportional to 328,015.66, 452,813.57 and 231,298.32

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Solution

The fourth proportional to 328,015.66, 452,813.57 and 231,298.32 is: 319,298.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,015.66 : 452,813.57 = 231,298.32 : x
  2. Step 2: Convert to fraction form
    328,015.66/452,813.57 = 231,298.32/x
  3. Step 3: Cross multiply
    328,015.66x = 452,813.57 × 231,298.32
  4. Step 4: Simplify right side
    328,015.66x = 104,735,015,270.37
  5. Step 5: Solve for x
    x = 104,735,015,270.37/328,015.66
  6. Step 6: Final answer
    x = 319,298.83

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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.