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Finding the Fourth Proportional to 145,606.00, 218,408.82 and 45,774.91

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Solution

The fourth proportional to 145,606.00, 218,408.82 and 45,774.91 is: 68,662.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,606.00 : 218,408.82 = 45,774.91 : x
  2. Step 2: Convert to fraction form
    145,606.00/218,408.82 = 45,774.91/x
  3. Step 3: Cross multiply
    145,606.00x = 218,408.82 × 45,774.91
  4. Step 4: Simplify right side
    145,606.00x = 9,997,644,078.71
  5. Step 5: Solve for x
    x = 9,997,644,078.71/145,606.00
  6. Step 6: Final answer
    x = 68,662.31

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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.