Finding the Fourth Proportional to 328,527.12, 453,367.35 and 185,286.86
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Solution
The fourth proportional to 328,527.12, 453,367.35 and 185,286.86 is: 255,695.82
Step by Step Solution
- Step 1: Write the proportion equation
328,527.12 : 453,367.35 = 185,286.86 : x - Step 2: Convert to fraction form
328,527.12/453,367.35 = 185,286.86/x - Step 3: Cross multiply
328,527.12x = 453,367.35 × 185,286.86 - Step 4: Simplify right side
328,527.12x = 84,003,010,441.18 - Step 5: Solve for x
x = 84,003,010,441.18/328,527.12 - Step 6: Final answer
x = 255,695.82
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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.