Finding the Fourth Proportional to 242,706.18, 334,936.08 and 135,283.02
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Solution
The fourth proportional to 242,706.18, 334,936.08 and 135,283.02 is: 186,691.43
Step by Step Solution
- Step 1: Write the proportion equation
242,706.18 : 334,936.08 = 135,283.02 : x - Step 2: Convert to fraction form
242,706.18/334,936.08 = 135,283.02/x - Step 3: Cross multiply
242,706.18x = 334,936.08 × 135,283.02 - Step 4: Simplify right side
242,706.18x = 45,311,164,409.36 - Step 5: Solve for x
x = 45,311,164,409.36/242,706.18 - Step 6: Final answer
x = 186,691.43
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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.