Finding the Fourth Proportional to 242,530.14, 334,647.18 and 135,097.50
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Solution
The fourth proportional to 242,530.14, 334,647.18 and 135,097.50 is: 186,409.81
Step by Step Solution
- Step 1: Write the proportion equation
242,530.14 : 334,647.18 = 135,097.50 : x - Step 2: Convert to fraction form
242,530.14/334,647.18 = 135,097.50/x - Step 3: Cross multiply
242,530.14x = 334,647.18 × 135,097.50 - Step 4: Simplify right side
242,530.14x = 45,209,997,400.05 - Step 5: Solve for x
x = 45,209,997,400.05/242,530.14 - Step 6: Final answer
x = 186,409.81
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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.