Finding the Fourth Proportional to 386,302.86, 579,537.36 and 130,160.88
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Solution
The fourth proportional to 386,302.86, 579,537.36 and 130,160.88 is: 195,269.31
Step by Step Solution
- Step 1: Write the proportion equation
386,302.86 : 579,537.36 = 130,160.88 : x - Step 2: Convert to fraction form
386,302.86/579,537.36 = 130,160.88/x - Step 3: Cross multiply
386,302.86x = 579,537.36 × 130,160.88 - Step 4: Simplify right side
386,302.86x = 75,433,092,770.48 - Step 5: Solve for x
x = 75,433,092,770.48/386,302.86 - Step 6: Final answer
x = 195,269.31
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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.