Finding the Fourth Proportional to 319,306.36, 440,672.36 and 183,358.12
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Solution
The fourth proportional to 319,306.36, 440,672.36 and 183,358.12 is: 253,051.19
Step by Step Solution
- Step 1: Write the proportion equation
319,306.36 : 440,672.36 = 183,358.12 : x - Step 2: Convert to fraction form
319,306.36/440,672.36 = 183,358.12/x - Step 3: Cross multiply
319,306.36x = 440,672.36 × 183,358.12 - Step 4: Simplify right side
319,306.36x = 80,800,855,465.56 - Step 5: Solve for x
x = 80,800,855,465.56/319,306.36 - Step 6: Final answer
x = 253,051.19
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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.