Finding the Fourth Proportional to 247,138.94, 341,052.18 and 133,961.96
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Solution
The fourth proportional to 247,138.94, 341,052.18 and 133,961.96 is: 184,867.74
Step by Step Solution
- Step 1: Write the proportion equation
247,138.94 : 341,052.18 = 133,961.96 : x - Step 2: Convert to fraction form
247,138.94/341,052.18 = 133,961.96/x - Step 3: Cross multiply
247,138.94x = 341,052.18 × 133,961.96 - Step 4: Simplify right side
247,138.94x = 45,688,018,495.07 - Step 5: Solve for x
x = 45,688,018,495.07/247,138.94 - Step 6: Final answer
x = 184,867.74
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.