Finding the Fourth Proportional to 184,977.60, 277,539.30 and 72,638.70
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Solution
The fourth proportional to 184,977.60, 277,539.30 and 72,638.70 is: 108,986.68
Step by Step Solution
- Step 1: Write the proportion equation
184,977.60 : 277,539.30 = 72,638.70 : x - Step 2: Convert to fraction form
184,977.60/277,539.30 = 72,638.70/x - Step 3: Cross multiply
184,977.60x = 277,539.30 × 72,638.70 - Step 4: Simplify right side
184,977.60x = 20,160,093,950.91 - Step 5: Solve for x
x = 20,160,093,950.91/184,977.60 - Step 6: Final answer
x = 108,986.68
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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.