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Finding the Fourth Proportional to 308,953.98, 463,439.07 and 98,591.72

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Solution

The fourth proportional to 308,953.98, 463,439.07 and 98,591.72 is: 147,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,953.98 : 463,439.07 = 98,591.72 : x
  2. Step 2: Convert to fraction form
    308,953.98/463,439.07 = 98,591.72/x
  3. Step 3: Cross multiply
    308,953.98x = 463,439.07 × 98,591.72
  4. Step 4: Simplify right side
    308,953.98x = 45,691,252,709.31
  5. Step 5: Solve for x
    x = 45,691,252,709.31/308,953.98
  6. Step 6: Final answer
    x = 147,890.16

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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.