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Finding the Fourth Proportional to 308,681.70, 463,022.55 and 189,968.10

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Solution

The fourth proportional to 308,681.70, 463,022.55 and 189,968.10 is: 284,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,681.70 : 463,022.55 = 189,968.10 : x
  2. Step 2: Convert to fraction form
    308,681.70/463,022.55 = 189,968.10/x
  3. Step 3: Cross multiply
    308,681.70x = 463,022.55 × 189,968.10
  4. Step 4: Simplify right side
    308,681.70x = 87,959,514,080.66
  5. Step 5: Solve for x
    x = 87,959,514,080.66/308,681.70
  6. Step 6: Final answer
    x = 284,952.15

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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.