Finding the Fourth Proportional to 319,246.28, 440,559.71 and 183,288.99
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Solution
The fourth proportional to 319,246.28, 440,559.71 and 183,288.99 is: 252,938.72
Step by Step Solution
- Step 1: Write the proportion equation
319,246.28 : 440,559.71 = 183,288.99 : x - Step 2: Convert to fraction form
319,246.28/440,559.71 = 183,288.99/x - Step 3: Cross multiply
319,246.28x = 440,559.71 × 183,288.99 - Step 4: Simplify right side
319,246.28x = 80,749,743,364.15 - Step 5: Solve for x
x = 80,749,743,364.15/319,246.28 - Step 6: Final answer
x = 252,938.72
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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.