Finding the Fourth Proportional to 118,663.03, 177,971.86 and 35,557.03
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Solution
The fourth proportional to 118,663.03, 177,971.86 and 35,557.03 is: 53,328.75
Step by Step Solution
- Step 1: Write the proportion equation
118,663.03 : 177,971.86 = 35,557.03 : x - Step 2: Convert to fraction form
118,663.03/177,971.86 = 35,557.03/x - Step 3: Cross multiply
118,663.03x = 177,971.86 × 35,557.03 - Step 4: Simplify right side
118,663.03x = 6,328,150,765.18 - Step 5: Solve for x
x = 6,328,150,765.18/118,663.03 - Step 6: Final answer
x = 53,328.75
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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.