Finding the Fourth Proportional to 242,523.45, 334,688.21 and 135,095.19
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Solution
The fourth proportional to 242,523.45, 334,688.21 and 135,095.19 is: 186,434.62
Step by Step Solution
- Step 1: Write the proportion equation
242,523.45 : 334,688.21 = 135,095.19 : x - Step 2: Convert to fraction form
242,523.45/334,688.21 = 135,095.19/x - Step 3: Cross multiply
242,523.45x = 334,688.21 × 135,095.19 - Step 4: Simplify right side
242,523.45x = 45,214,766,645.23 - Step 5: Solve for x
x = 45,214,766,645.23/242,523.45 - Step 6: Final answer
x = 186,434.62
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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.