Finding the Fourth Proportional to 163,021.23, 243,344.35 and 151,000.97
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Solution
The fourth proportional to 163,021.23, 243,344.35 and 151,000.97 is: 225,401.51
Step by Step Solution
- Step 1: Write the proportion equation
163,021.23 : 243,344.35 = 151,000.97 : x - Step 2: Convert to fraction form
163,021.23/243,344.35 = 151,000.97/x - Step 3: Cross multiply
163,021.23x = 243,344.35 × 151,000.97 - Step 4: Simplify right side
163,021.23x = 36,745,231,866.05 - Step 5: Solve for x
x = 36,745,231,866.05/163,021.23 - Step 6: Final answer
x = 225,401.51
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.