Finding the Fourth Proportional to 381,344.80, 526,125.47 and 217,884.02
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Solution
The fourth proportional to 381,344.80, 526,125.47 and 217,884.02 is: 300,605.47
Step by Step Solution
- Step 1: Write the proportion equation
381,344.80 : 526,125.47 = 217,884.02 : x - Step 2: Convert to fraction form
381,344.80/526,125.47 = 217,884.02/x - Step 3: Cross multiply
381,344.80x = 526,125.47 × 217,884.02 - Step 4: Simplify right side
381,344.80x = 114,634,330,342.07 - Step 5: Solve for x
x = 114,634,330,342.07/381,344.80 - Step 6: Final answer
x = 300,605.47
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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.