Finding the Fourth Proportional to 367,043.69, 550,766.21 and 142,412.99
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Solution
The fourth proportional to 367,043.69, 550,766.21 and 142,412.99 is: 213,697.35
Step by Step Solution
- Step 1: Write the proportion equation
367,043.69 : 550,766.21 = 142,412.99 : x - Step 2: Convert to fraction form
367,043.69/550,766.21 = 142,412.99/x - Step 3: Cross multiply
367,043.69x = 550,766.21 × 142,412.99 - Step 4: Simplify right side
367,043.69x = 78,436,264,490.02 - Step 5: Solve for x
x = 78,436,264,490.02/367,043.69 - Step 6: Final answer
x = 213,697.35
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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.