Finding the Fourth Proportional to 242,115.68, 334,131.99 and 134,687.81
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Solution
The fourth proportional to 242,115.68, 334,131.99 and 134,687.81 is: 185,876.05
Step by Step Solution
- Step 1: Write the proportion equation
242,115.68 : 334,131.99 = 134,687.81 : x - Step 2: Convert to fraction form
242,115.68/334,131.99 = 134,687.81/x - Step 3: Cross multiply
242,115.68x = 334,131.99 × 134,687.81 - Step 4: Simplify right side
242,115.68x = 45,003,506,314.29 - Step 5: Solve for x
x = 45,003,506,314.29/242,115.68 - Step 6: Final answer
x = 185,876.05
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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.