Finding the Fourth Proportional to 251,730.42, 377,595.15 and 74,361.99
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Solution
The fourth proportional to 251,730.42, 377,595.15 and 74,361.99 is: 111,542.84
Step by Step Solution
- Step 1: Write the proportion equation
251,730.42 : 377,595.15 = 74,361.99 : x - Step 2: Convert to fraction form
251,730.42/377,595.15 = 74,361.99/x - Step 3: Cross multiply
251,730.42x = 377,595.15 × 74,361.99 - Step 4: Simplify right side
251,730.42x = 28,078,726,768.35 - Step 5: Solve for x
x = 28,078,726,768.35/251,730.42 - Step 6: Final answer
x = 111,542.84
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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.