Finding the Fourth Proportional to 207,786.24, 286,745.04 and 112,292.76
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Solution
The fourth proportional to 207,786.24, 286,745.04 and 112,292.76 is: 154,964.02
Step by Step Solution
- Step 1: Write the proportion equation
207,786.24 : 286,745.04 = 112,292.76 : x - Step 2: Convert to fraction form
207,786.24/286,745.04 = 112,292.76/x - Step 3: Cross multiply
207,786.24x = 286,745.04 × 112,292.76 - Step 4: Simplify right side
207,786.24x = 32,199,391,957.91 - Step 5: Solve for x
x = 32,199,391,957.91/207,786.24 - Step 6: Final answer
x = 154,964.02
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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.