Finding the Fourth Proportional to 567,323.15, 782,882.88 and 309,194.61
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Solution
The fourth proportional to 567,323.15, 782,882.88 and 309,194.61 is: 426,675.99
Step by Step Solution
- Step 1: Write the proportion equation
567,323.15 : 782,882.88 = 309,194.61 : x - Step 2: Convert to fraction form
567,323.15/782,882.88 = 309,194.61/x - Step 3: Cross multiply
567,323.15x = 782,882.88 × 309,194.61 - Step 4: Simplify right side
567,323.15x = 242,063,166,757.28 - Step 5: Solve for x
x = 242,063,166,757.28/567,323.15 - Step 6: Final answer
x = 426,675.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.