Finding the Fourth Proportional to 214,779.26, 296,427.70 and 154,549.28
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Solution
The fourth proportional to 214,779.26, 296,427.70 and 154,549.28 is: 213,301.27
Step by Step Solution
- Step 1: Write the proportion equation
214,779.26 : 296,427.70 = 154,549.28 : x - Step 2: Convert to fraction form
214,779.26/296,427.70 = 154,549.28/x - Step 3: Cross multiply
214,779.26x = 296,427.70 × 154,549.28 - Step 4: Simplify right side
214,779.26x = 45,812,688,541.31 - Step 5: Solve for x
x = 45,812,688,541.31/214,779.26 - Step 6: Final answer
x = 213,301.27
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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.