Finding the Fourth Proportional to 242,674.44, 334,890.99 and 135,242.04
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Solution
The fourth proportional to 242,674.44, 334,890.99 and 135,242.04 is: 186,634.16
Step by Step Solution
- Step 1: Write the proportion equation
242,674.44 : 334,890.99 = 135,242.04 : x - Step 2: Convert to fraction form
242,674.44/334,890.99 = 135,242.04/x - Step 3: Cross multiply
242,674.44x = 334,890.99 × 135,242.04 - Step 4: Simplify right side
242,674.44x = 45,291,340,665.22 - Step 5: Solve for x
x = 45,291,340,665.22/242,674.44 - Step 6: Final answer
x = 186,634.16
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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.