Finding the Fourth Proportional to 723,089.80, 1,084,542.06 and 190,652.68
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Solution
The fourth proportional to 723,089.80, 1,084,542.06 and 190,652.68 is: 285,954.59
Step by Step Solution
- Step 1: Write the proportion equation
723,089.80 : 1,084,542.06 = 190,652.68 : x - Step 2: Convert to fraction form
723,089.80/1,084,542.06 = 190,652.68/x - Step 3: Cross multiply
723,089.80x = 1,084,542.06 × 190,652.68 - Step 4: Simplify right side
723,089.80x = 206,770,850,311.72 - Step 5: Solve for x
x = 206,770,850,311.72/723,089.80 - Step 6: Final answer
x = 285,954.59
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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.