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Finding the Fourth Proportional to 455,027.10, 628,062.30 and 264,102

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Solution

The fourth proportional to 455,027.10, 628,062.30 and 264,102 is: 364,533.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,027.10 : 628,062.30 = 264,102 : x
  2. Step 2: Convert to fraction form
    455,027.10/628,062.30 = 264,102/x
  3. Step 3: Cross multiply
    455,027.10x = 628,062.30 × 264,102
  4. Step 4: Simplify right side
    455,027.10x = 165,872,509,554.60
  5. Step 5: Solve for x
    x = 165,872,509,554.60/455,027.10
  6. Step 6: Final answer
    x = 364,533.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.