Home / 384,860.33-531,105.93-215,094.46

Finding the Fourth Proportional to 384,860.33, 531,105.93 and 215,094.46

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Solution

The fourth proportional to 384,860.33, 531,105.93 and 215,094.46 is: 296,829.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,860.33 : 531,105.93 = 215,094.46 : x
  2. Step 2: Convert to fraction form
    384,860.33/531,105.93 = 215,094.46/x
  3. Step 3: Cross multiply
    384,860.33x = 531,105.93 × 215,094.46
  4. Step 4: Simplify right side
    384,860.33x = 114,237,943,287.51
  5. Step 5: Solve for x
    x = 114,237,943,287.51/384,860.33
  6. Step 6: Final answer
    x = 296,829.61

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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.