Finding the Fourth Proportional to 78,230.08, 117,344.58 and 19,064.44
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Solution
The fourth proportional to 78,230.08, 117,344.58 and 19,064.44 is: 28,596.53
Step by Step Solution
- Step 1: Write the proportion equation
78,230.08 : 117,344.58 = 19,064.44 : x - Step 2: Convert to fraction form
78,230.08/117,344.58 = 19,064.44/x - Step 3: Cross multiply
78,230.08x = 117,344.58 × 19,064.44 - Step 4: Simplify right side
78,230.08x = 2,237,108,704.74 - Step 5: Solve for x
x = 2,237,108,704.74/78,230.08 - Step 6: Final answer
x = 28,596.53
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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.