Finding the Fourth Proportional to 157,552.04, 217,440.48 and 89,579.26
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Solution
The fourth proportional to 157,552.04, 217,440.48 and 89,579.26 is: 123,629.99
Step by Step Solution
- Step 1: Write the proportion equation
157,552.04 : 217,440.48 = 89,579.26 : x - Step 2: Convert to fraction form
157,552.04/217,440.48 = 89,579.26/x - Step 3: Cross multiply
157,552.04x = 217,440.48 × 89,579.26 - Step 4: Simplify right side
157,552.04x = 19,478,157,292.44 - Step 5: Solve for x
x = 19,478,157,292.44/157,552.04 - Step 6: Final answer
x = 123,629.99
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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.