Finding the Fourth Proportional to 314,836.08, 434,474.12 and 171,596.24
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Solution
The fourth proportional to 314,836.08, 434,474.12 and 171,596.24 is: 236,802.99
Step by Step Solution
- Step 1: Write the proportion equation
314,836.08 : 434,474.12 = 171,596.24 : x - Step 2: Convert to fraction form
314,836.08/434,474.12 = 171,596.24/x - Step 3: Cross multiply
314,836.08x = 434,474.12 × 171,596.24 - Step 4: Simplify right side
314,836.08x = 74,554,125,369.31 - Step 5: Solve for x
x = 74,554,125,369.31/314,836.08 - Step 6: Final answer
x = 236,802.99
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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.