Finding the Fourth Proportional to 319,821.07, 441,378.97 and 183,899.19
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Solution
The fourth proportional to 319,821.07, 441,378.97 and 183,899.19 is: 253,795.77
Step by Step Solution
- Step 1: Write the proportion equation
319,821.07 : 441,378.97 = 183,899.19 : x - Step 2: Convert to fraction form
319,821.07/441,378.97 = 183,899.19/x - Step 3: Cross multiply
319,821.07x = 441,378.97 × 183,899.19 - Step 4: Simplify right side
319,821.07x = 81,169,236,364.86 - Step 5: Solve for x
x = 81,169,236,364.86/319,821.07 - Step 6: Final answer
x = 253,795.77
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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.