Finding the Fourth Proportional to 145,907.72, 218,866.14 and 46,068.84
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Solution
The fourth proportional to 145,907.72, 218,866.14 and 46,068.84 is: 69,104.70
Step by Step Solution
- Step 1: Write the proportion equation
145,907.72 : 218,866.14 = 46,068.84 : x - Step 2: Convert to fraction form
145,907.72/218,866.14 = 46,068.84/x - Step 3: Cross multiply
145,907.72x = 218,866.14 × 46,068.84 - Step 4: Simplify right side
145,907.72x = 10,082,909,185.08 - Step 5: Solve for x
x = 10,082,909,185.08/145,907.72 - Step 6: Final answer
x = 69,104.70
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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.