Finding the Fourth Proportional to 238,652.25, 329,331.68 and 131,221.53
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Solution
The fourth proportional to 238,652.25, 329,331.68 and 131,221.53 is: 181,081.08
Step by Step Solution
- Step 1: Write the proportion equation
238,652.25 : 329,331.68 = 131,221.53 : x - Step 2: Convert to fraction form
238,652.25/329,331.68 = 131,221.53/x - Step 3: Cross multiply
238,652.25x = 329,331.68 × 131,221.53 - Step 4: Simplify right side
238,652.25x = 43,215,406,270.96 - Step 5: Solve for x
x = 43,215,406,270.96/238,652.25 - Step 6: Final answer
x = 181,081.08
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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.