Finding the Fourth Proportional to 421,691.67, 581,877.14 and 251,889.75
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Solution
The fourth proportional to 421,691.67, 581,877.14 and 251,889.75 is: 347,573.59
Step by Step Solution
- Step 1: Write the proportion equation
421,691.67 : 581,877.14 = 251,889.75 : x - Step 2: Convert to fraction form
421,691.67/581,877.14 = 251,889.75/x - Step 3: Cross multiply
421,691.67x = 581,877.14 × 251,889.75 - Step 4: Simplify right side
421,691.67x = 146,568,886,065.87 - Step 5: Solve for x
x = 146,568,886,065.87/421,691.67 - Step 6: Final answer
x = 347,573.59
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.