Finding the Fourth Proportional to 287,813.58, 431,474.19 and 110,447.88
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Solution
The fourth proportional to 287,813.58, 431,474.19 and 110,447.88 is: 165,577.35
Step by Step Solution
- Step 1: Write the proportion equation
287,813.58 : 431,474.19 = 110,447.88 : x - Step 2: Convert to fraction form
287,813.58/431,474.19 = 110,447.88/x - Step 3: Cross multiply
287,813.58x = 431,474.19 × 110,447.88 - Step 4: Simplify right side
287,813.58x = 47,655,409,560.22 - Step 5: Solve for x
x = 47,655,409,560.22/287,813.58 - Step 6: Final answer
x = 165,577.35
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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.