Finding the Fourth Proportional to 236,904.72, 326,927.97 and 129,475.53
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Solution
The fourth proportional to 236,904.72, 326,927.97 and 129,475.53 is: 178,675.92
Step by Step Solution
- Step 1: Write the proportion equation
236,904.72 : 326,927.97 = 129,475.53 : x - Step 2: Convert to fraction form
236,904.72/326,927.97 = 129,475.53/x - Step 3: Cross multiply
236,904.72x = 326,927.97 × 129,475.53 - Step 4: Simplify right side
236,904.72x = 42,329,170,353.16 - Step 5: Solve for x
x = 42,329,170,353.16/236,904.72 - Step 6: Final answer
x = 178,675.92
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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.