Finding the Fourth Proportional to 177,564.54, 245,029.68 and 96,990.90
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Solution
The fourth proportional to 177,564.54, 245,029.68 and 96,990.90 is: 133,842.32
Step by Step Solution
- Step 1: Write the proportion equation
177,564.54 : 245,029.68 = 96,990.90 : x - Step 2: Convert to fraction form
177,564.54/245,029.68 = 96,990.90/x - Step 3: Cross multiply
177,564.54x = 245,029.68 × 96,990.90 - Step 4: Simplify right side
177,564.54x = 23,765,649,189.91 - Step 5: Solve for x
x = 23,765,649,189.91/177,564.54 - Step 6: Final answer
x = 133,842.32
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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.