Finding the Fourth Proportional to 284,869.08, 427,327.92 and 74,506.68
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Solution
The fourth proportional to 284,869.08, 427,327.92 and 74,506.68 is: 111,766.38
Step by Step Solution
- Step 1: Write the proportion equation
284,869.08 : 427,327.92 = 74,506.68 : x - Step 2: Convert to fraction form
284,869.08/427,327.92 = 74,506.68/x - Step 3: Cross multiply
284,869.08x = 427,327.92 × 74,506.68 - Step 4: Simplify right side
284,869.08x = 31,838,784,590.51 - Step 5: Solve for x
x = 31,838,784,590.51/284,869.08 - Step 6: Final answer
x = 111,766.38
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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.