Finding the Fourth Proportional to 207,824.08, 286,797.36 and 122,946.88
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Solution
The fourth proportional to 207,824.08, 286,797.36 and 122,946.88 is: 169,666.77
Step by Step Solution
- Step 1: Write the proportion equation
207,824.08 : 286,797.36 = 122,946.88 : x - Step 2: Convert to fraction form
207,824.08/286,797.36 = 122,946.88/x - Step 3: Cross multiply
207,824.08x = 286,797.36 × 122,946.88 - Step 4: Simplify right side
207,824.08x = 35,260,840,604.24 - Step 5: Solve for x
x = 35,260,840,604.24/207,824.08 - Step 6: Final answer
x = 169,666.77
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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.