Finding the Fourth Proportional to 89,147.18, 133,727.37 and 29,982.62
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Solution
The fourth proportional to 89,147.18, 133,727.37 and 29,982.62 is: 44,976.15
Step by Step Solution
- Step 1: Write the proportion equation
89,147.18 : 133,727.37 = 29,982.62 : x - Step 2: Convert to fraction form
89,147.18/133,727.37 = 29,982.62/x - Step 3: Cross multiply
89,147.18x = 133,727.37 × 29,982.62 - Step 4: Simplify right side
89,147.18x = 4,009,496,918.31 - Step 5: Solve for x
x = 4,009,496,918.31/89,147.18 - Step 6: Final answer
x = 44,976.15
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1.5x scale
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.