Finding the Fourth Proportional to 417,840.96, 576,630.24 and 248,075.52
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Solution
The fourth proportional to 417,840.96, 576,630.24 and 248,075.52 is: 342,349.99
Step by Step Solution
- Step 1: Write the proportion equation
417,840.96 : 576,630.24 = 248,075.52 : x - Step 2: Convert to fraction form
417,840.96/576,630.24 = 248,075.52/x - Step 3: Cross multiply
417,840.96x = 576,630.24 × 248,075.52 - Step 4: Simplify right side
417,840.96x = 143,047,846,635.73 - Step 5: Solve for x
x = 143,047,846,635.73/417,840.96 - Step 6: Final answer
x = 342,349.99
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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.