Finding the Fourth Proportional to 238,368.06, 328,965.57 and 147,741.84
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Solution
The fourth proportional to 238,368.06, 328,965.57 and 147,741.84 is: 203,894.68
Step by Step Solution
- Step 1: Write the proportion equation
238,368.06 : 328,965.57 = 147,741.84 : x - Step 2: Convert to fraction form
238,368.06/328,965.57 = 147,741.84/x - Step 3: Cross multiply
238,368.06x = 328,965.57 × 147,741.84 - Step 4: Simplify right side
238,368.06x = 48,601,978,608.45 - Step 5: Solve for x
x = 48,601,978,608.45/238,368.06 - Step 6: Final answer
x = 203,894.68
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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.