Finding the Fourth Proportional to 512,124.93, 767,753.62 and 212,418.45
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Solution
The fourth proportional to 512,124.93, 767,753.62 and 212,418.45 is: 318,447.75
Step by Step Solution
- Step 1: Write the proportion equation
512,124.93 : 767,753.62 = 212,418.45 : x - Step 2: Convert to fraction form
512,124.93/767,753.62 = 212,418.45/x - Step 3: Cross multiply
512,124.93x = 767,753.62 × 212,418.45 - Step 4: Simplify right side
512,124.93x = 163,085,033,942.29 - Step 5: Solve for x
x = 163,085,033,942.29/512,124.93 - Step 6: Final answer
x = 318,447.75
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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.