Finding the Fourth Proportional to 397,596.05, 548,641.58 and 236,419.95
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Solution
The fourth proportional to 397,596.05, 548,641.58 and 236,419.95 is: 326,235.17
Step by Step Solution
- Step 1: Write the proportion equation
397,596.05 : 548,641.58 = 236,419.95 : x - Step 2: Convert to fraction form
397,596.05/548,641.58 = 236,419.95/x - Step 3: Cross multiply
397,596.05x = 548,641.58 × 236,419.95 - Step 4: Simplify right side
397,596.05x = 129,709,814,911.52 - Step 5: Solve for x
x = 129,709,814,911.52/397,596.05 - Step 6: Final answer
x = 326,235.17
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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.