Finding the Fourth Proportional to 187,261.24, 280,893.94 and 54,142.70
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Solution
The fourth proportional to 187,261.24, 280,893.94 and 54,142.70 is: 81,214.65
Step by Step Solution
- Step 1: Write the proportion equation
187,261.24 : 280,893.94 = 54,142.70 : x - Step 2: Convert to fraction form
187,261.24/280,893.94 = 54,142.70/x - Step 3: Cross multiply
187,261.24x = 280,893.94 × 54,142.70 - Step 4: Simplify right side
187,261.24x = 15,208,356,325.24 - Step 5: Solve for x
x = 15,208,356,325.24/187,261.24 - Step 6: Final answer
x = 81,214.65
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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.