Finding the Fourth Proportional to 230,560.08, 318,172.29 and 128,585.67
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Solution
The fourth proportional to 230,560.08, 318,172.29 and 128,585.67 is: 177,447.88
Step by Step Solution
- Step 1: Write the proportion equation
230,560.08 : 318,172.29 = 128,585.67 : x - Step 2: Convert to fraction form
230,560.08/318,172.29 = 128,585.67/x - Step 3: Cross multiply
230,560.08x = 318,172.29 × 128,585.67 - Step 4: Simplify right side
230,560.08x = 40,912,397,085.08 - Step 5: Solve for x
x = 40,912,397,085.08/230,560.08 - Step 6: Final answer
x = 177,447.88
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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.