Finding the Fourth Proportional to 251,907.47, 347,664.08 and 144,475.19
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Solution
The fourth proportional to 251,907.47, 347,664.08 and 144,475.19 is: 199,393.99
Step by Step Solution
- Step 1: Write the proportion equation
251,907.47 : 347,664.08 = 144,475.19 : x - Step 2: Convert to fraction form
251,907.47/347,664.08 = 144,475.19/x - Step 3: Cross multiply
251,907.47x = 347,664.08 × 144,475.19 - Step 4: Simplify right side
251,907.47x = 50,228,834,014.18 - Step 5: Solve for x
x = 50,228,834,014.18/251,907.47 - Step 6: Final answer
x = 199,393.99
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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.