Finding the Fourth Proportional to 202,907.19, 304,357.70 and 69,788.60
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Solution
The fourth proportional to 202,907.19, 304,357.70 and 69,788.60 is: 104,681.84
Step by Step Solution
- Step 1: Write the proportion equation
202,907.19 : 304,357.70 = 69,788.60 : x - Step 2: Convert to fraction form
202,907.19/304,357.70 = 69,788.60/x - Step 3: Cross multiply
202,907.19x = 304,357.70 × 69,788.60 - Step 4: Simplify right side
202,907.19x = 21,240,697,782.22 - Step 5: Solve for x
x = 21,240,697,782.22/202,907.19 - Step 6: Final answer
x = 104,681.84
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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.