Home / 387,533.58-580,459.08-187,434.34

Finding the Fourth Proportional to 387,533.58, 580,459.08 and 187,434.34

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Solution

The fourth proportional to 387,533.58, 580,459.08 and 187,434.34 is: 280,744.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,533.58 : 580,459.08 = 187,434.34 : x
  2. Step 2: Convert to fraction form
    387,533.58/580,459.08 = 187,434.34/x
  3. Step 3: Cross multiply
    387,533.58x = 580,459.08 × 187,434.34
  4. Step 4: Simplify right side
    387,533.58x = 108,797,964,556.81
  5. Step 5: Solve for x
    x = 108,797,964,556.81/387,533.58
  6. Step 6: Final answer
    x = 280,744.61

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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.