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Finding the Fourth Proportional to 645,134.92, 967,715.70 and 234,790.24

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Solution

The fourth proportional to 645,134.92, 967,715.70 and 234,790.24 is: 352,190.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,134.92 : 967,715.70 = 234,790.24 : x
  2. Step 2: Convert to fraction form
    645,134.92/967,715.70 = 234,790.24/x
  3. Step 3: Cross multiply
    645,134.92x = 967,715.70 × 234,790.24
  4. Step 4: Simplify right side
    645,134.92x = 227,210,201,454.77
  5. Step 5: Solve for x
    x = 227,210,201,454.77/645,134.92
  6. Step 6: Final answer
    x = 352,190.21

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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.