Finding the Fourth Proportional to 381,052.14, 525,803.62 and 208,924.80
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Solution
The fourth proportional to 381,052.14, 525,803.62 and 208,924.80 is: 288,289.72
Step by Step Solution
- Step 1: Write the proportion equation
381,052.14 : 525,803.62 = 208,924.80 : x - Step 2: Convert to fraction form
381,052.14/525,803.62 = 208,924.80/x - Step 3: Cross multiply
381,052.14x = 525,803.62 × 208,924.80 - Step 4: Simplify right side
381,052.14x = 109,853,416,147.78 - Step 5: Solve for x
x = 109,853,416,147.78/381,052.14 - Step 6: Final answer
x = 288,289.72
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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.