Home / 347,027.51-520,640.91-144,584.21

Finding the Fourth Proportional to 347,027.51, 520,640.91 and 144,584.21

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Solution

The fourth proportional to 347,027.51, 520,640.91 and 144,584.21 is: 216,917.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,027.51 : 520,640.91 = 144,584.21 : x
  2. Step 2: Convert to fraction form
    347,027.51/520,640.91 = 144,584.21/x
  3. Step 3: Cross multiply
    347,027.51x = 520,640.91 × 144,584.21
  4. Step 4: Simplify right side
    347,027.51x = 75,276,455,967.63
  5. Step 5: Solve for x
    x = 75,276,455,967.63/347,027.51
  6. Step 6: Final answer
    x = 216,917.83

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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.