Finding the Fourth Proportional to 552,529.92, 828,112.96 and 286,137.12
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Solution
The fourth proportional to 552,529.92, 828,112.96 and 286,137.12 is: 428,852.54
Step by Step Solution
- Step 1: Write the proportion equation
552,529.92 : 828,112.96 = 286,137.12 : x - Step 2: Convert to fraction form
552,529.92/828,112.96 = 286,137.12/x - Step 3: Cross multiply
552,529.92x = 828,112.96 × 286,137.12 - Step 4: Simplify right side
552,529.92x = 236,953,857,409.08 - Step 5: Solve for x
x = 236,953,857,409.08/552,529.92 - Step 6: Final answer
x = 428,852.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.