Home / 379,824.48-524,148.84-210,054.96

Finding the Fourth Proportional to 379,824.48, 524,148.84 and 210,054.96

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Solution

The fourth proportional to 379,824.48, 524,148.84 and 210,054.96 is: 289,870.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,824.48 : 524,148.84 = 210,054.96 : x
  2. Step 2: Convert to fraction form
    379,824.48/524,148.84 = 210,054.96/x
  3. Step 3: Cross multiply
    379,824.48x = 524,148.84 × 210,054.96
  4. Step 4: Simplify right side
    379,824.48x = 110,100,063,620.25
  5. Step 5: Solve for x
    x = 110,100,063,620.25/379,824.48
  6. Step 6: Final answer
    x = 289,870.90

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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.