Finding the Fourth Proportional to 805,830.05, 1,208,329.11 and 237,137.31
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Solution
The fourth proportional to 805,830.05, 1,208,329.11 and 237,137.31 is: 355,583.56
Step by Step Solution
- Step 1: Write the proportion equation
805,830.05 : 1,208,329.11 = 237,137.31 : x - Step 2: Convert to fraction form
805,830.05/1,208,329.11 = 237,137.31/x - Step 3: Cross multiply
805,830.05x = 1,208,329.11 × 237,137.31 - Step 4: Simplify right side
805,830.05x = 286,539,914,740.09 - Step 5: Solve for x
x = 286,539,914,740.09/805,830.05 - Step 6: Final answer
x = 355,583.56
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1.5x scale
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.