Finding the Fourth Proportional to 242,643.79, 334,843.84 and 132,263.40
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Solution
The fourth proportional to 242,643.79, 334,843.84 and 132,263.40 is: 182,520.99
Step by Step Solution
- Step 1: Write the proportion equation
242,643.79 : 334,843.84 = 132,263.40 : x - Step 2: Convert to fraction form
242,643.79/334,843.84 = 132,263.40/x - Step 3: Cross multiply
242,643.79x = 334,843.84 × 132,263.40 - Step 4: Simplify right side
242,643.79x = 44,287,584,747.46 - Step 5: Solve for x
x = 44,287,584,747.46/242,643.79 - Step 6: Final answer
x = 182,520.99
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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.