Finding the Fourth Proportional to 238,562.80, 329,212.97 and 131,130.53
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Solution
The fourth proportional to 238,562.80, 329,212.97 and 131,130.53 is: 180,958.09
Step by Step Solution
- Step 1: Write the proportion equation
238,562.80 : 329,212.97 = 131,130.53 : x - Step 2: Convert to fraction form
238,562.80/329,212.97 = 131,130.53/x - Step 3: Cross multiply
238,562.80x = 329,212.97 × 131,130.53 - Step 4: Simplify right side
238,562.80x = 43,169,869,592.91 - Step 5: Solve for x
x = 43,169,869,592.91/238,562.80 - Step 6: Final answer
x = 180,958.09
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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.