Home / 336,124.08-503,001.42-209,823.60

Finding the Fourth Proportional to 336,124.08, 503,001.42 and 209,823.60

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Solution

The fourth proportional to 336,124.08, 503,001.42 and 209,823.60 is: 313,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,124.08 : 503,001.42 = 209,823.60 : x
  2. Step 2: Convert to fraction form
    336,124.08/503,001.42 = 209,823.60/x
  3. Step 3: Cross multiply
    336,124.08x = 503,001.42 × 209,823.60
  4. Step 4: Simplify right side
    336,124.08x = 105,541,568,749.51
  5. Step 5: Solve for x
    x = 105,541,568,749.51/336,124.08
  6. Step 6: Final answer
    x = 313,995.86

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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.