Finding the Fourth Proportional to 184,411.42, 276,414.12 and 72,070.70
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Solution
The fourth proportional to 184,411.42, 276,414.12 and 72,070.70 is: 108,026.70
Step by Step Solution
- Step 1: Write the proportion equation
184,411.42 : 276,414.12 = 72,070.70 : x - Step 2: Convert to fraction form
184,411.42/276,414.12 = 72,070.70/x - Step 3: Cross multiply
184,411.42x = 276,414.12 × 72,070.70 - Step 4: Simplify right side
184,411.42x = 19,921,357,736.21 - Step 5: Solve for x
x = 19,921,357,736.21/184,411.42 - Step 6: Final answer
x = 108,026.70
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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.