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Finding the Fourth Proportional to 349,268.45, 523,901.31 and 96,548.45

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Solution

The fourth proportional to 349,268.45, 523,901.31 and 96,548.45 is: 144,822.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,268.45 : 523,901.31 = 96,548.45 : x
  2. Step 2: Convert to fraction form
    349,268.45/523,901.31 = 96,548.45/x
  3. Step 3: Cross multiply
    349,268.45x = 523,901.31 × 96,548.45
  4. Step 4: Simplify right side
    349,268.45x = 50,581,859,433.47
  5. Step 5: Solve for x
    x = 50,581,859,433.47/349,268.45
  6. Step 6: Final answer
    x = 144,822.30

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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.