Finding the Fourth Proportional to 316,768.63, 437,137.23 and 171,570.80
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Solution
The fourth proportional to 316,768.63, 437,137.23 and 171,570.80 is: 236,765.82
Step by Step Solution
- Step 1: Write the proportion equation
316,768.63 : 437,137.23 = 171,570.80 : x - Step 2: Convert to fraction form
316,768.63/437,137.23 = 171,570.80/x - Step 3: Cross multiply
316,768.63x = 437,137.23 × 171,570.80 - Step 4: Simplify right side
316,768.63x = 74,999,985,353.73 - Step 5: Solve for x
x = 74,999,985,353.73/316,768.63 - Step 6: Final answer
x = 236,765.82
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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.