Finding the Fourth Proportional to 191,124.12, 263,750.94 and 106,240.92
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Solution
The fourth proportional to 191,124.12, 263,750.94 and 106,240.92 is: 146,612.28
Step by Step Solution
- Step 1: Write the proportion equation
191,124.12 : 263,750.94 = 106,240.92 : x - Step 2: Convert to fraction form
191,124.12/263,750.94 = 106,240.92/x - Step 3: Cross multiply
191,124.12x = 263,750.94 × 106,240.92 - Step 4: Simplify right side
191,124.12x = 28,021,142,516.46 - Step 5: Solve for x
x = 28,021,142,516.46/191,124.12 - Step 6: Final answer
x = 146,612.28
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1.5x scale
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.