Finding the Fourth Proportional to 242,705.18, 334,934.70 and 135,282.02
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Solution
The fourth proportional to 242,705.18, 334,934.70 and 135,282.02 is: 186,690.05
Step by Step Solution
- Step 1: Write the proportion equation
242,705.18 : 334,934.70 = 135,282.02 : x - Step 2: Convert to fraction form
242,705.18/334,934.70 = 135,282.02/x - Step 3: Cross multiply
242,705.18x = 334,934.70 × 135,282.02 - Step 4: Simplify right side
242,705.18x = 45,310,641,109.42 - Step 5: Solve for x
x = 45,310,641,109.42/242,705.18 - Step 6: Final answer
x = 186,690.05
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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.