Finding the Fourth Proportional to 825,237.66, 1,237,751.19 and 319,452.50
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Solution
The fourth proportional to 825,237.66, 1,237,751.19 and 319,452.50 is: 479,137.99
Step by Step Solution
- Step 1: Write the proportion equation
825,237.66 : 1,237,751.19 = 319,452.50 : x - Step 2: Convert to fraction form
825,237.66/1,237,751.19 = 319,452.50/x - Step 3: Cross multiply
825,237.66x = 1,237,751.19 × 319,452.50 - Step 4: Simplify right side
825,237.66x = 395,402,715,117.85 - Step 5: Solve for x
x = 395,402,715,117.85/825,237.66 - Step 6: Final answer
x = 479,137.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.