Finding the Fourth Proportional to 207,628.30, 286,527.06 and 112,135.02
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Solution
The fourth proportional to 207,628.30, 286,527.06 and 112,135.02 is: 154,746.33
Step by Step Solution
- Step 1: Write the proportion equation
207,628.30 : 286,527.06 = 112,135.02 : x - Step 2: Convert to fraction form
207,628.30/286,527.06 = 112,135.02/x - Step 3: Cross multiply
207,628.30x = 286,527.06 × 112,135.02 - Step 4: Simplify right side
207,628.30x = 32,129,717,603.64 - Step 5: Solve for x
x = 32,129,717,603.64/207,628.30 - Step 6: Final answer
x = 154,746.33
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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.