Finding the Fourth Proportional to 284,563.62, 392,779.60 and 187,838.08
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Solution
The fourth proportional to 284,563.62, 392,779.60 and 187,838.08 is: 259,270.54
Step by Step Solution
- Step 1: Write the proportion equation
284,563.62 : 392,779.60 = 187,838.08 : x - Step 2: Convert to fraction form
284,563.62/392,779.60 = 187,838.08/x - Step 3: Cross multiply
284,563.62x = 392,779.60 × 187,838.08 - Step 4: Simplify right side
284,563.62x = 73,778,964,006.03 - Step 5: Solve for x
x = 73,778,964,006.03/284,563.62 - Step 6: Final answer
x = 259,270.54
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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.