Home / 336,020.47-502,846.30-209,719.86

Finding the Fourth Proportional to 336,020.47, 502,846.30 and 209,719.86

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Solution

The fourth proportional to 336,020.47, 502,846.30 and 209,719.86 is: 313,840.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,020.47 : 502,846.30 = 209,719.86 : x
  2. Step 2: Convert to fraction form
    336,020.47/502,846.30 = 209,719.86/x
  3. Step 3: Cross multiply
    336,020.47x = 502,846.30 × 209,719.86
  4. Step 4: Simplify right side
    336,020.47x = 105,456,855,637.52
  5. Step 5: Solve for x
    x = 105,456,855,637.52/336,020.47
  6. Step 6: Final answer
    x = 313,840.57

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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.