Finding the Fourth Proportional to 207,790.63, 286,751.13 and 118,366.63
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Solution
The fourth proportional to 207,790.63, 286,751.13 and 118,366.63 is: 163,345.98
Step by Step Solution
- Step 1: Write the proportion equation
207,790.63 : 286,751.13 = 118,366.63 : x - Step 2: Convert to fraction form
207,790.63/286,751.13 = 118,366.63/x - Step 3: Cross multiply
207,790.63x = 286,751.13 × 118,366.63 - Step 4: Simplify right side
207,790.63x = 33,941,764,906.79 - Step 5: Solve for x
x = 33,941,764,906.79/207,790.63 - Step 6: Final answer
x = 163,345.98
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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.