Finding the Fourth Proportional to 372,821.84, 514,560.86 and 219,850.76
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Solution
The fourth proportional to 372,821.84, 514,560.86 and 219,850.76 is: 303,433.39
Step by Step Solution
- Step 1: Write the proportion equation
372,821.84 : 514,560.86 = 219,850.76 : x - Step 2: Convert to fraction form
372,821.84/514,560.86 = 219,850.76/x - Step 3: Cross multiply
372,821.84x = 514,560.86 × 219,850.76 - Step 4: Simplify right side
372,821.84x = 113,126,596,137.25 - Step 5: Solve for x
x = 113,126,596,137.25/372,821.84 - Step 6: Final answer
x = 303,433.39
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1.5x scale
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.