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Finding the Fourth Proportional to 370,073.28, 510,710.52 and 226,912.24

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Solution

The fourth proportional to 370,073.28, 510,710.52 and 226,912.24 is: 313,144.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,073.28 : 510,710.52 = 226,912.24 : x
  2. Step 2: Convert to fraction form
    370,073.28/510,710.52 = 226,912.24/x
  3. Step 3: Cross multiply
    370,073.28x = 510,710.52 × 226,912.24
  4. Step 4: Simplify right side
    370,073.28x = 115,886,468,084.77
  5. Step 5: Solve for x
    x = 115,886,468,084.77/370,073.28
  6. Step 6: Final answer
    x = 313,144.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.