Finding the Fourth Proportional to 285,176.40, 393,585.60 and 164,294.68
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Solution
The fourth proportional to 285,176.40, 393,585.60 and 164,294.68 is: 226,750.95
Step by Step Solution
- Step 1: Write the proportion equation
285,176.40 : 393,585.60 = 164,294.68 : x - Step 2: Convert to fraction form
285,176.40/393,585.60 = 164,294.68/x - Step 3: Cross multiply
285,176.40x = 393,585.60 × 164,294.68 - Step 4: Simplify right side
285,176.40x = 64,664,020,204.61 - Step 5: Solve for x
x = 64,664,020,204.61/285,176.40 - Step 6: Final answer
x = 226,750.95
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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.