Home / 348,516.42-522,805.82-135,279.33

Finding the Fourth Proportional to 348,516.42, 522,805.82 and 135,279.33

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Solution

The fourth proportional to 348,516.42, 522,805.82 and 135,279.33 is: 202,931.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,516.42 : 522,805.82 = 135,279.33 : x
  2. Step 2: Convert to fraction form
    348,516.42/522,805.82 = 135,279.33/x
  3. Step 3: Cross multiply
    348,516.42x = 522,805.82 × 135,279.33
  4. Step 4: Simplify right side
    348,516.42x = 70,724,820,373.30
  5. Step 5: Solve for x
    x = 70,724,820,373.30/348,516.42
  6. Step 6: Final answer
    x = 202,931.10

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Why These Related Problems?

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