Home / 380,173.22-524,637.65-205,743.07

Finding the Fourth Proportional to 380,173.22, 524,637.65 and 205,743.07

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Solution

The fourth proportional to 380,173.22, 524,637.65 and 205,743.07 is: 283,924.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,173.22 : 524,637.65 = 205,743.07 : x
  2. Step 2: Convert to fraction form
    380,173.22/524,637.65 = 205,743.07/x
  3. Step 3: Cross multiply
    380,173.22x = 524,637.65 × 205,743.07
  4. Step 4: Simplify right side
    380,173.22x = 107,940,557,096.68
  5. Step 5: Solve for x
    x = 107,940,557,096.68/380,173.22
  6. Step 6: Final answer
    x = 283,924.67

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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.