Home / 336,819.84-505,188.81-210,471.36

Finding the Fourth Proportional to 336,819.84, 505,188.81 and 210,471.36

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Solution

The fourth proportional to 336,819.84, 505,188.81 and 210,471.36 is: 315,681.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,819.84 : 505,188.81 = 210,471.36 : x
  2. Step 2: Convert to fraction form
    336,819.84/505,188.81 = 210,471.36/x
  3. Step 3: Cross multiply
    336,819.84x = 505,188.81 × 210,471.36
  4. Step 4: Simplify right side
    336,819.84x = 106,327,775,897.48
  5. Step 5: Solve for x
    x = 106,327,775,897.48/336,819.84
  6. Step 6: Final answer
    x = 315,681.45

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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.