Finding the Fourth Proportional to 242,606.99, 334,793.18 and 135,174.71
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Solution
The fourth proportional to 242,606.99, 334,793.18 and 135,174.71 is: 186,538.61
Step by Step Solution
- Step 1: Write the proportion equation
242,606.99 : 334,793.18 = 135,174.71 : x - Step 2: Convert to fraction form
242,606.99/334,793.18 = 135,174.71/x - Step 3: Cross multiply
242,606.99x = 334,793.18 × 135,174.71 - Step 4: Simplify right side
242,606.99x = 45,255,568,666.64 - Step 5: Solve for x
x = 45,255,568,666.64/242,606.99 - Step 6: Final answer
x = 186,538.61
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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.