Finding the Fourth Proportional to 251,874.10, 377,811.15 and 219,069.10
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Solution
The fourth proportional to 251,874.10, 377,811.15 and 219,069.10 is: 328,603.65
Step by Step Solution
- Step 1: Write the proportion equation
251,874.10 : 377,811.15 = 219,069.10 : x - Step 2: Convert to fraction form
251,874.10/377,811.15 = 219,069.10/x - Step 3: Cross multiply
251,874.10x = 377,811.15 × 219,069.10 - Step 4: Simplify right side
251,874.10x = 82,766,748,600.47 - Step 5: Solve for x
x = 82,766,748,600.47/251,874.10 - Step 6: Final answer
x = 328,603.65
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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.