Finding the Fourth Proportional to 157,604.10, 217,493.35 and 85,984.17
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Solution
The fourth proportional to 157,604.10, 217,493.35 and 85,984.17 is: 118,657.99
Step by Step Solution
- Step 1: Write the proportion equation
157,604.10 : 217,493.35 = 85,984.17 : x - Step 2: Convert to fraction form
157,604.10/217,493.35 = 85,984.17/x - Step 3: Cross multiply
157,604.10x = 217,493.35 × 85,984.17 - Step 4: Simplify right side
157,604.10x = 18,700,985,180.27 - Step 5: Solve for x
x = 18,700,985,180.27/157,604.10 - Step 6: Final answer
x = 118,657.99
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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.