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Finding the Fourth Proportional to 455,559.04, 683,337.48 and 123,135.04

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Solution

The fourth proportional to 455,559.04, 683,337.48 and 123,135.04 is: 184,702.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,559.04 : 683,337.48 = 123,135.04 : x
  2. Step 2: Convert to fraction form
    455,559.04/683,337.48 = 123,135.04/x
  3. Step 3: Cross multiply
    455,559.04x = 683,337.48 × 123,135.04
  4. Step 4: Simplify right side
    455,559.04x = 84,142,787,933.30
  5. Step 5: Solve for x
    x = 84,142,787,933.30/455,559.04
  6. Step 6: Final answer
    x = 184,702.27

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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.