Finding the Fourth Proportional to 372,760.76, 514,415.76 and 202,994.75
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Solution
The fourth proportional to 372,760.76, 514,415.76 and 202,994.75 is: 280,135.97
Step by Step Solution
- Step 1: Write the proportion equation
372,760.76 : 514,415.76 = 202,994.75 : x - Step 2: Convert to fraction form
372,760.76/514,415.76 = 202,994.75/x - Step 3: Cross multiply
372,760.76x = 514,415.76 × 202,994.75 - Step 4: Simplify right side
372,760.76x = 104,423,699,122.07 - Step 5: Solve for x
x = 104,423,699,122.07/372,760.76 - Step 6: Final answer
x = 280,135.97
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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.