Finding the Fourth Proportional to 157,508.24, 217,366.62 and 85,892.19
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Solution
The fourth proportional to 157,508.24, 217,366.62 and 85,892.19 is: 118,534.08
Step by Step Solution
- Step 1: Write the proportion equation
157,508.24 : 217,366.62 = 85,892.19 : x - Step 2: Convert to fraction form
157,508.24/217,366.62 = 85,892.19/x - Step 3: Cross multiply
157,508.24x = 217,366.62 × 85,892.19 - Step 4: Simplify right side
157,508.24x = 18,670,095,024.70 - Step 5: Solve for x
x = 18,670,095,024.70/157,508.24 - Step 6: Final answer
x = 118,534.08
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.