Finding the Fourth Proportional to 285,492.14, 393,963.62 and 158,160.14
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Solution
The fourth proportional to 285,492.14, 393,963.62 and 158,160.14 is: 218,252.39
Step by Step Solution
- Step 1: Write the proportion equation
285,492.14 : 393,963.62 = 158,160.14 : x - Step 2: Convert to fraction form
285,492.14/393,963.62 = 158,160.14/x - Step 3: Cross multiply
285,492.14x = 393,963.62 × 158,160.14 - Step 4: Simplify right side
285,492.14x = 62,309,341,294.11 - Step 5: Solve for x
x = 62,309,341,294.11/285,492.14 - Step 6: Final answer
x = 218,252.39
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1.5x scale
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.