Finding the Fourth Proportional to 121,637.34, 182,201.76 and 97,816.05
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Solution
The fourth proportional to 121,637.34, 182,201.76 and 97,816.05 is: 146,519.62
Step by Step Solution
- Step 1: Write the proportion equation
121,637.34 : 182,201.76 = 97,816.05 : x - Step 2: Convert to fraction form
121,637.34/182,201.76 = 97,816.05/x - Step 3: Cross multiply
121,637.34x = 182,201.76 × 97,816.05 - Step 4: Simplify right side
121,637.34x = 17,822,256,466.25 - Step 5: Solve for x
x = 17,822,256,466.25/121,637.34 - Step 6: Final answer
x = 146,519.62
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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.