Finding the Fourth Proportional to 242,702.19, 334,929.39 and 135,269.92
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Solution
The fourth proportional to 242,702.19, 334,929.39 and 135,269.92 is: 186,672.69
Step by Step Solution
- Step 1: Write the proportion equation
242,702.19 : 334,929.39 = 135,269.92 : x - Step 2: Convert to fraction form
242,702.19/334,929.39 = 135,269.92/x - Step 3: Cross multiply
242,702.19x = 334,929.39 × 135,269.92 - Step 4: Simplify right side
242,702.19x = 45,305,871,167.01 - Step 5: Solve for x
x = 45,305,871,167.01/242,702.19 - Step 6: Final answer
x = 186,672.69
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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.