Finding the Fourth Proportional to 465,298.31, 641,948.14 and 304,247.63
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Solution
The fourth proportional to 465,298.31, 641,948.14 and 304,247.63 is: 419,754.80
Step by Step Solution
- Step 1: Write the proportion equation
465,298.31 : 641,948.14 = 304,247.63 : x - Step 2: Convert to fraction form
465,298.31/641,948.14 = 304,247.63/x - Step 3: Cross multiply
465,298.31x = 641,948.14 × 304,247.63 - Step 4: Simplify right side
465,298.31x = 195,311,200,177.91 - Step 5: Solve for x
x = 195,311,200,177.91/465,298.31 - Step 6: Final answer
x = 419,754.80
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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.