Finding the Fourth Proportional to 74,203.86, 111,310.94 and 29,830.63
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Solution
The fourth proportional to 74,203.86, 111,310.94 and 29,830.63 is: 44,748.02
Step by Step Solution
- Step 1: Write the proportion equation
74,203.86 : 111,310.94 = 29,830.63 : x - Step 2: Convert to fraction form
74,203.86/111,310.94 = 29,830.63/x - Step 3: Cross multiply
74,203.86x = 111,310.94 × 29,830.63 - Step 4: Simplify right side
74,203.86x = 3,320,475,466.09 - Step 5: Solve for x
x = 3,320,475,466.09/74,203.86 - Step 6: Final answer
x = 44,748.02
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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.