Home / 363,743.52-501,967.09-210,811.40

Finding the Fourth Proportional to 363,743.52, 501,967.09 and 210,811.40

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Solution

The fourth proportional to 363,743.52, 501,967.09 and 210,811.40 is: 290,920.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,743.52 : 501,967.09 = 210,811.40 : x
  2. Step 2: Convert to fraction form
    363,743.52/501,967.09 = 210,811.40/x
  3. Step 3: Cross multiply
    363,743.52x = 501,967.09 × 210,811.40
  4. Step 4: Simplify right side
    363,743.52x = 105,820,384,996.83
  5. Step 5: Solve for x
    x = 105,820,384,996.83/363,743.52
  6. Step 6: Final answer
    x = 290,920.33

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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.