Finding the Fourth Proportional to 230,916.36, 318,592.26 and 135,427.08
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Solution
The fourth proportional to 230,916.36, 318,592.26 and 135,427.08 is: 186,846.96
Step by Step Solution
- Step 1: Write the proportion equation
230,916.36 : 318,592.26 = 135,427.08 : x - Step 2: Convert to fraction form
230,916.36/318,592.26 = 135,427.08/x - Step 3: Cross multiply
230,916.36x = 318,592.26 × 135,427.08 - Step 4: Simplify right side
230,916.36x = 43,146,019,482.40 - Step 5: Solve for x
x = 43,146,019,482.40/230,916.36 - Step 6: Final answer
x = 186,846.96
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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.