Home / 348,934.84-523,557.78-127,267

Finding the Fourth Proportional to 348,934.84, 523,557.78 and 127,267

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Solution

The fourth proportional to 348,934.84, 523,557.78 and 127,267 is: 190,957.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,934.84 : 523,557.78 = 127,267 : x
  2. Step 2: Convert to fraction form
    348,934.84/523,557.78 = 127,267/x
  3. Step 3: Cross multiply
    348,934.84x = 523,557.78 × 127,267
  4. Step 4: Simplify right side
    348,934.84x = 66,631,627,987.26
  5. Step 5: Solve for x
    x = 66,631,627,987.26/348,934.84
  6. Step 6: Final answer
    x = 190,957.22

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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.