Finding the Fourth Proportional to 186,432.94, 257,277.36 and 101,550.00
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Solution
The fourth proportional to 186,432.94, 257,277.36 and 101,550.00 is: 140,138.95
Step by Step Solution
- Step 1: Write the proportion equation
186,432.94 : 257,277.36 = 101,550.00 : x - Step 2: Convert to fraction form
186,432.94/257,277.36 = 101,550.00/x - Step 3: Cross multiply
186,432.94x = 257,277.36 × 101,550.00 - Step 4: Simplify right side
186,432.94x = 26,126,517,253.60 - Step 5: Solve for x
x = 26,126,517,253.60/186,432.94 - Step 6: Final answer
x = 140,138.95
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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.