Finding the Fourth Proportional to 242,306.64, 334,394.18 and 134,883.48
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Solution
The fourth proportional to 242,306.64, 334,394.18 and 134,883.48 is: 186,145.34
Step by Step Solution
- Step 1: Write the proportion equation
242,306.64 : 334,394.18 = 134,883.48 : x - Step 2: Convert to fraction form
242,306.64/334,394.18 = 134,883.48/x - Step 3: Cross multiply
242,306.64x = 334,394.18 × 134,883.48 - Step 4: Simplify right side
242,306.64x = 45,104,250,690.15 - Step 5: Solve for x
x = 45,104,250,690.15/242,306.64 - Step 6: Final answer
x = 186,145.34
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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.