Home / 551,071.80-826,923.06-214,068.78

Finding the Fourth Proportional to 551,071.80, 826,923.06 and 214,068.78

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Solution

The fourth proportional to 551,071.80, 826,923.06 and 214,068.78 is: 321,225.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,071.80 : 826,923.06 = 214,068.78 : x
  2. Step 2: Convert to fraction form
    551,071.80/826,923.06 = 214,068.78/x
  3. Step 3: Cross multiply
    551,071.80x = 826,923.06 × 214,068.78
  4. Step 4: Simplify right side
    551,071.80x = 177,018,410,608.07
  5. Step 5: Solve for x
    x = 177,018,410,608.07/551,071.80
  6. Step 6: Final answer
    x = 321,225.67

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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.