Finding the Fourth Proportional to 247,117.10, 341,023.64 and 133,939.85
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Solution
The fourth proportional to 247,117.10, 341,023.64 and 133,939.85 is: 184,838.09
Step by Step Solution
- Step 1: Write the proportion equation
247,117.10 : 341,023.64 = 133,939.85 : x - Step 2: Convert to fraction form
247,117.10/341,023.64 = 133,939.85/x - Step 3: Cross multiply
247,117.10x = 341,023.64 × 133,939.85 - Step 4: Simplify right side
247,117.10x = 45,676,652,813.24 - Step 5: Solve for x
x = 45,676,652,813.24/247,117.10 - Step 6: Final answer
x = 184,838.09
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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.