Finding the Fourth Proportional to 359,542.26, 496,228.68 and 216,315.63
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Solution
The fourth proportional to 359,542.26, 496,228.68 and 216,315.63 is: 298,551.89
Step by Step Solution
- Step 1: Write the proportion equation
359,542.26 : 496,228.68 = 216,315.63 : x - Step 2: Convert to fraction form
359,542.26/496,228.68 = 216,315.63/x - Step 3: Cross multiply
359,542.26x = 496,228.68 × 216,315.63 - Step 4: Simplify right side
359,542.26x = 107,342,019,538.27 - Step 5: Solve for x
x = 107,342,019,538.27/359,542.26 - Step 6: Final answer
x = 298,551.89
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1.5x scale
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.