Finding the Fourth Proportional to 319,332.75, 440,689.38 and 183,394.30
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Solution
The fourth proportional to 319,332.75, 440,689.38 and 183,394.30 is: 253,089.99
Step by Step Solution
- Step 1: Write the proportion equation
319,332.75 : 440,689.38 = 183,394.30 : x - Step 2: Convert to fraction form
319,332.75/440,689.38 = 183,394.30/x - Step 3: Cross multiply
319,332.75x = 440,689.38 × 183,394.30 - Step 4: Simplify right side
319,332.75x = 80,819,922,186.20 - Step 5: Solve for x
x = 80,819,922,186.20/319,332.75 - Step 6: Final answer
x = 253,089.99
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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.