Finding the Fourth Proportional to 242,194.28, 334,274.36 and 160,378.31
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Solution
The fourth proportional to 242,194.28, 334,274.36 and 160,378.31 is: 221,352.70
Step by Step Solution
- Step 1: Write the proportion equation
242,194.28 : 334,274.36 = 160,378.31 : x - Step 2: Convert to fraction form
242,194.28/334,274.36 = 160,378.31/x - Step 3: Cross multiply
242,194.28x = 334,274.36 × 160,378.31 - Step 4: Simplify right side
242,194.28x = 53,610,356,966.93 - Step 5: Solve for x
x = 53,610,356,966.93/242,194.28 - Step 6: Final answer
x = 221,352.70
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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.