Home / 457,550.48-686,091.72-191,238.32

Finding the Fourth Proportional to 457,550.48, 686,091.72 and 191,238.32

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Solution

The fourth proportional to 457,550.48, 686,091.72 and 191,238.32 is: 286,759.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,550.48 : 686,091.72 = 191,238.32 : x
  2. Step 2: Convert to fraction form
    457,550.48/686,091.72 = 191,238.32/x
  3. Step 3: Cross multiply
    457,550.48x = 686,091.72 × 191,238.32
  4. Step 4: Simplify right side
    457,550.48x = 131,207,027,898.71
  5. Step 5: Solve for x
    x = 131,207,027,898.71/457,550.48
  6. Step 6: Final answer
    x = 286,759.68

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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.