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Finding the Fourth Proportional to 617,814.94, 926,798.73 and 218,373.34

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Solution

The fourth proportional to 617,814.94, 926,798.73 and 218,373.34 is: 327,586.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,814.94 : 926,798.73 = 218,373.34 : x
  2. Step 2: Convert to fraction form
    617,814.94/926,798.73 = 218,373.34/x
  3. Step 3: Cross multiply
    617,814.94x = 926,798.73 × 218,373.34
  4. Step 4: Simplify right side
    617,814.94x = 202,388,134,177.86
  5. Step 5: Solve for x
    x = 202,388,134,177.86/617,814.94
  6. Step 6: Final answer
    x = 327,586.99

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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.