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Finding the Fourth Proportional to 370,005.88, 510,626.50 and 224,812.76

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Solution

The fourth proportional to 370,005.88, 510,626.50 and 224,812.76 is: 310,252.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.88 : 510,626.50 = 224,812.76 : x
  2. Step 2: Convert to fraction form
    370,005.88/510,626.50 = 224,812.76/x
  3. Step 3: Cross multiply
    370,005.88x = 510,626.50 × 224,812.76
  4. Step 4: Simplify right side
    370,005.88x = 114,795,352,794.14
  5. Step 5: Solve for x
    x = 114,795,352,794.14/370,005.88
  6. Step 6: Final answer
    x = 310,252.78

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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.