Finding the Fourth Proportional to 234,415.81, 323,494.81 and 126,985.84
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Solution
The fourth proportional to 234,415.81, 323,494.81 and 126,985.84 is: 175,241.00
Step by Step Solution
- Step 1: Write the proportion equation
234,415.81 : 323,494.81 = 126,985.84 : x - Step 2: Convert to fraction form
234,415.81/323,494.81 = 126,985.84/x - Step 3: Cross multiply
234,415.81x = 323,494.81 × 126,985.84 - Step 4: Simplify right side
234,415.81x = 41,079,259,866.03 - Step 5: Solve for x
x = 41,079,259,866.03/234,415.81 - Step 6: Final answer
x = 175,241.00
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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.