Home / 387,914.04-581,847.42-185,653.92

Finding the Fourth Proportional to 387,914.04, 581,847.42 and 185,653.92

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Solution

The fourth proportional to 387,914.04, 581,847.42 and 185,653.92 is: 278,469.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,914.04 : 581,847.42 = 185,653.92 : x
  2. Step 2: Convert to fraction form
    387,914.04/581,847.42 = 185,653.92/x
  3. Step 3: Cross multiply
    387,914.04x = 581,847.42 × 185,653.92
  4. Step 4: Simplify right side
    387,914.04x = 108,022,254,364.89
  5. Step 5: Solve for x
    x = 108,022,254,364.89/387,914.04
  6. Step 6: Final answer
    x = 278,469.57

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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.