Finding the Fourth Proportional to 286,749.84, 395,601.12 and 165,868.68
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Solution
The fourth proportional to 286,749.84, 395,601.12 and 165,868.68 is: 228,833.03
Step by Step Solution
- Step 1: Write the proportion equation
286,749.84 : 395,601.12 = 165,868.68 : x - Step 2: Convert to fraction form
286,749.84/395,601.12 = 165,868.68/x - Step 3: Cross multiply
286,749.84x = 395,601.12 × 165,868.68 - Step 4: Simplify right side
286,749.84x = 65,617,835,580.92 - Step 5: Solve for x
x = 65,617,835,580.92/286,749.84 - Step 6: Final answer
x = 228,833.03
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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.