Finding the Fourth Proportional to 203,076.80, 304,399.20 and 97,827.20
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Solution
The fourth proportional to 203,076.80, 304,399.20 and 97,827.20 is: 146,636.75
Step by Step Solution
- Step 1: Write the proportion equation
203,076.80 : 304,399.20 = 97,827.20 : x - Step 2: Convert to fraction form
203,076.80/304,399.20 = 97,827.20/x - Step 3: Cross multiply
203,076.80x = 304,399.20 × 97,827.20 - Step 4: Simplify right side
203,076.80x = 29,778,521,418.24 - Step 5: Solve for x
x = 29,778,521,418.24/203,076.80 - Step 6: Final answer
x = 146,636.75
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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.