Finding the Fourth Proportional to 191,930.94, 264,865.05 and 107,053.47
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Solution
The fourth proportional to 191,930.94, 264,865.05 and 107,053.47 is: 147,733.99
Step by Step Solution
- Step 1: Write the proportion equation
191,930.94 : 264,865.05 = 107,053.47 : x - Step 2: Convert to fraction form
191,930.94/264,865.05 = 107,053.47/x - Step 3: Cross multiply
191,930.94x = 264,865.05 × 107,053.47 - Step 4: Simplify right side
191,930.94x = 28,354,722,684.22 - Step 5: Solve for x
x = 28,354,722,684.22/191,930.94 - Step 6: Final answer
x = 147,733.99
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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.