Finding the Fourth Proportional to 571,750.31, 857,643.26 and 212,010.68
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Solution
The fourth proportional to 571,750.31, 857,643.26 and 212,010.68 is: 318,022.62
Step by Step Solution
- Step 1: Write the proportion equation
571,750.31 : 857,643.26 = 212,010.68 : x - Step 2: Convert to fraction form
571,750.31/857,643.26 = 212,010.68/x - Step 3: Cross multiply
571,750.31x = 857,643.26 × 212,010.68 - Step 4: Simplify right side
571,750.31x = 181,829,531,834.07 - Step 5: Solve for x
x = 181,829,531,834.07/571,750.31 - Step 6: Final answer
x = 318,022.62
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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.