Home / 511,110.22-705,336.74-281,675.69

Finding the Fourth Proportional to 511,110.22, 705,336.74 and 281,675.69

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Solution

The fourth proportional to 511,110.22, 705,336.74 and 281,675.69 is: 388,715.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,110.22 : 705,336.74 = 281,675.69 : x
  2. Step 2: Convert to fraction form
    511,110.22/705,336.74 = 281,675.69/x
  3. Step 3: Cross multiply
    511,110.22x = 705,336.74 × 281,675.69
  4. Step 4: Simplify right side
    511,110.22x = 198,676,211,887.75
  5. Step 5: Solve for x
    x = 198,676,211,887.75/511,110.22
  6. Step 6: Final answer
    x = 388,715.01

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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.