Home / 348,142.29-522,252.50-312,383.79

Finding the Fourth Proportional to 348,142.29, 522,252.50 and 312,383.79

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Solution

The fourth proportional to 348,142.29, 522,252.50 and 312,383.79 is: 468,610.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,142.29 : 522,252.50 = 312,383.79 : x
  2. Step 2: Convert to fraction form
    348,142.29/522,252.50 = 312,383.79/x
  3. Step 3: Cross multiply
    348,142.29x = 522,252.50 × 312,383.79
  4. Step 4: Simplify right side
    348,142.29x = 163,143,213,725.06
  5. Step 5: Solve for x
    x = 163,143,213,725.06/348,142.29
  6. Step 6: Final answer
    x = 468,610.73

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.