Finding the Fourth Proportional to 276,525.16, 381,400.98 and 208,544.96
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Solution
The fourth proportional to 276,525.16, 381,400.98 and 208,544.96 is: 287,638.39
Step by Step Solution
- Step 1: Write the proportion equation
276,525.16 : 381,400.98 = 208,544.96 : x - Step 2: Convert to fraction form
276,525.16/381,400.98 = 208,544.96/x - Step 3: Cross multiply
276,525.16x = 381,400.98 × 208,544.96 - Step 4: Simplify right side
276,525.16x = 79,539,252,118.06 - Step 5: Solve for x
x = 79,539,252,118.06/276,525.16 - Step 6: Final answer
x = 287,638.39
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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.