Finding the Fourth Proportional to 242,474.79, 334,625.55 and 135,044.82
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Solution
The fourth proportional to 242,474.79, 334,625.55 and 135,044.82 is: 186,367.61
Step by Step Solution
- Step 1: Write the proportion equation
242,474.79 : 334,625.55 = 135,044.82 : x - Step 2: Convert to fraction form
242,474.79/334,625.55 = 135,044.82/x - Step 3: Cross multiply
242,474.79x = 334,625.55 × 135,044.82 - Step 4: Simplify right side
242,474.79x = 45,189,447,167.15 - Step 5: Solve for x
x = 45,189,447,167.15/242,474.79 - Step 6: Final answer
x = 186,367.61
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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.