Finding the Fourth Proportional to 157,585.24, 217,467.18 and 85,964.75
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Solution
The fourth proportional to 157,585.24, 217,467.18 and 85,964.75 is: 118,631.11
Step by Step Solution
- Step 1: Write the proportion equation
157,585.24 : 217,467.18 = 85,964.75 : x - Step 2: Convert to fraction form
157,585.24/217,467.18 = 85,964.75/x - Step 3: Cross multiply
157,585.24x = 217,467.18 × 85,964.75 - Step 4: Simplify right side
157,585.24x = 18,694,512,101.70 - Step 5: Solve for x
x = 18,694,512,101.70/157,585.24 - Step 6: Final answer
x = 118,631.11
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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.