Finding the Fourth Proportional to 207,702.36, 286,628.76 and 112,208.76
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Solution
The fourth proportional to 207,702.36, 286,628.76 and 112,208.76 is: 154,847.82
Step by Step Solution
- Step 1: Write the proportion equation
207,702.36 : 286,628.76 = 112,208.76 : x - Step 2: Convert to fraction form
207,702.36/286,628.76 = 112,208.76/x - Step 3: Cross multiply
207,702.36x = 286,628.76 × 112,208.76 - Step 4: Simplify right side
207,702.36x = 32,162,257,739.94 - Step 5: Solve for x
x = 32,162,257,739.94/207,702.36 - Step 6: Final answer
x = 154,847.82
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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.