Finding the Fourth Proportional to 635,135.71, 876,464.60 and 359,487.65
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Solution
The fourth proportional to 635,135.71, 876,464.60 and 359,487.65 is: 496,080.12
Step by Step Solution
- Step 1: Write the proportion equation
635,135.71 : 876,464.60 = 359,487.65 : x - Step 2: Convert to fraction form
635,135.71/876,464.60 = 359,487.65/x - Step 3: Cross multiply
635,135.71x = 876,464.60 × 359,487.65 - Step 4: Simplify right side
635,135.71x = 315,078,199,362.19 - Step 5: Solve for x
x = 315,078,199,362.19/635,135.71 - Step 6: Final answer
x = 496,080.12
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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.