Finding the Fourth Proportional to 226,138.23, 312,047.64 and 130,675.68
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Solution
The fourth proportional to 226,138.23, 312,047.64 and 130,675.68 is: 180,319.08
Step by Step Solution
- Step 1: Write the proportion equation
226,138.23 : 312,047.64 = 130,675.68 : x - Step 2: Convert to fraction form
226,138.23/312,047.64 = 130,675.68/x - Step 3: Cross multiply
226,138.23x = 312,047.64 × 130,675.68 - Step 4: Simplify right side
226,138.23x = 40,777,037,549.40 - Step 5: Solve for x
x = 40,777,037,549.40/226,138.23 - Step 6: Final answer
x = 180,319.08
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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.