Finding the Fourth Proportional to 481,991.91, 722,988.87 and 197,630.07
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Solution
The fourth proportional to 481,991.91, 722,988.87 and 197,630.07 is: 296,445.52
Step by Step Solution
- Step 1: Write the proportion equation
481,991.91 : 722,988.87 = 197,630.07 : x - Step 2: Convert to fraction form
481,991.91/722,988.87 = 197,630.07/x - Step 3: Cross multiply
481,991.91x = 722,988.87 × 197,630.07 - Step 4: Simplify right side
481,991.91x = 142,884,340,987.32 - Step 5: Solve for x
x = 142,884,340,987.32/481,991.91 - Step 6: Final answer
x = 296,445.52
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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.