Finding the Fourth Proportional to 242,567.18, 334,734.27 and 135,131.66
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Solution
The fourth proportional to 242,567.18, 334,734.27 and 135,131.66 is: 186,476.99
Step by Step Solution
- Step 1: Write the proportion equation
242,567.18 : 334,734.27 = 135,131.66 : x - Step 2: Convert to fraction form
242,567.18/334,734.27 = 135,131.66/x - Step 3: Cross multiply
242,567.18x = 334,734.27 × 135,131.66 - Step 4: Simplify right side
242,567.18x = 45,233,197,563.99 - Step 5: Solve for x
x = 45,233,197,563.99/242,567.18 - Step 6: Final answer
x = 186,476.99
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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.