Finding the Fourth Proportional to 612,813.26, 919,367.54 and 192,089.14
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Solution
The fourth proportional to 612,813.26, 919,367.54 and 192,089.14 is: 288,179.99
Step by Step Solution
- Step 1: Write the proportion equation
612,813.26 : 919,367.54 = 192,089.14 : x - Step 2: Convert to fraction form
612,813.26/919,367.54 = 192,089.14/x - Step 3: Cross multiply
612,813.26x = 919,367.54 × 192,089.14 - Step 4: Simplify right side
612,813.26x = 176,600,520,102.52 - Step 5: Solve for x
x = 176,600,520,102.52/612,813.26 - Step 6: Final answer
x = 288,179.99
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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.