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Finding the Fourth Proportional to 350,363, 525,876.78 and 216,839.36

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Solution

The fourth proportional to 350,363, 525,876.78 and 216,839.36 is: 325,464.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,363 : 525,876.78 = 216,839.36 : x
  2. Step 2: Convert to fraction form
    350,363/525,876.78 = 216,839.36/x
  3. Step 3: Cross multiply
    350,363x = 525,876.78 × 216,839.36
  4. Step 4: Simplify right side
    350,363x = 114,030,784,414.06
  5. Step 5: Solve for x
    x = 114,030,784,414.06/350,363
  6. Step 6: Final answer
    x = 325,464.69

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1.5x scale

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.