Finding the Fourth Proportional to 316,764.47, 437,135.13 and 173,525.09
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Solution
The fourth proportional to 316,764.47, 437,135.13 and 173,525.09 is: 239,464.70
Step by Step Solution
- Step 1: Write the proportion equation
316,764.47 : 437,135.13 = 173,525.09 : x - Step 2: Convert to fraction form
316,764.47/437,135.13 = 173,525.09/x - Step 3: Cross multiply
316,764.47x = 437,135.13 × 173,525.09 - Step 4: Simplify right side
316,764.47x = 75,853,910,589.74 - Step 5: Solve for x
x = 75,853,910,589.74/316,764.47 - Step 6: Final answer
x = 239,464.70
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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.