Finding the Fourth Proportional to 382,925.14, 574,742.32 and 193,518.79
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Solution
The fourth proportional to 382,925.14, 574,742.32 and 193,518.79 is: 290,457.39
Step by Step Solution
- Step 1: Write the proportion equation
382,925.14 : 574,742.32 = 193,518.79 : x - Step 2: Convert to fraction form
382,925.14/574,742.32 = 193,518.79/x - Step 3: Cross multiply
382,925.14x = 574,742.32 × 193,518.79 - Step 4: Simplify right side
382,925.14x = 111,223,436,407.54 - Step 5: Solve for x
x = 111,223,436,407.54/382,925.14 - Step 6: Final answer
x = 290,457.39
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.