Finding the Fourth Proportional to 202,088.90, 303,133.35 and 157,474.10
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Solution
The fourth proportional to 202,088.90, 303,133.35 and 157,474.10 is: 236,211.15
Step by Step Solution
- Step 1: Write the proportion equation
202,088.90 : 303,133.35 = 157,474.10 : x - Step 2: Convert to fraction form
202,088.90/303,133.35 = 157,474.10/x - Step 3: Cross multiply
202,088.90x = 303,133.35 × 157,474.10 - Step 4: Simplify right side
202,088.90x = 47,735,651,471.24 - Step 5: Solve for x
x = 47,735,651,471.24/202,088.90 - Step 6: Final answer
x = 236,211.15
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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.