Finding the Fourth Proportional to 616,124.18, 921,938.18 and 363,525.68
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Solution
The fourth proportional to 616,124.18, 921,938.18 and 363,525.68 is: 543,962.10
Step by Step Solution
- Step 1: Write the proportion equation
616,124.18 : 921,938.18 = 363,525.68 : x - Step 2: Convert to fraction form
616,124.18/921,938.18 = 363,525.68/x - Step 3: Cross multiply
616,124.18x = 921,938.18 × 363,525.68 - Step 4: Simplify right side
616,124.18x = 335,148,197,375.14 - Step 5: Solve for x
x = 335,148,197,375.14/616,124.18 - Step 6: Final answer
x = 543,962.10
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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.