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Finding the Fourth Proportional to 304,619.94, 457,002.81 and 94,257.88

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Solution

The fourth proportional to 304,619.94, 457,002.81 and 94,257.88 is: 141,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,619.94 : 457,002.81 = 94,257.88 : x
  2. Step 2: Convert to fraction form
    304,619.94/457,002.81 = 94,257.88/x
  3. Step 3: Cross multiply
    304,619.94x = 457,002.81 × 94,257.88
  4. Step 4: Simplify right side
    304,619.94x = 43,076,114,882.14
  5. Step 5: Solve for x
    x = 43,076,114,882.14/304,619.94
  6. Step 6: Final answer
    x = 141,409.37

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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.