Finding the Fourth Proportional to 238,368.92, 357,704.06 and 133,256.84
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Solution
The fourth proportional to 238,368.92, 357,704.06 and 133,256.84 is: 199,969.49
Step by Step Solution
- Step 1: Write the proportion equation
238,368.92 : 357,704.06 = 133,256.84 : x - Step 2: Convert to fraction form
238,368.92/357,704.06 = 133,256.84/x - Step 3: Cross multiply
238,368.92x = 357,704.06 × 133,256.84 - Step 4: Simplify right side
238,368.92x = 47,666,510,235.97 - Step 5: Solve for x
x = 47,666,510,235.97/238,368.92 - Step 6: Final answer
x = 199,969.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.