Finding the Fourth Proportional to 134,331.80, 201,331.61 and 67,790.96
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Solution
The fourth proportional to 134,331.80, 201,331.61 and 67,790.96 is: 101,602.62
Step by Step Solution
- Step 1: Write the proportion equation
134,331.80 : 201,331.61 = 67,790.96 : x - Step 2: Convert to fraction form
134,331.80/201,331.61 = 67,790.96/x - Step 3: Cross multiply
134,331.80x = 201,331.61 × 67,790.96 - Step 4: Simplify right side
134,331.80x = 13,648,461,774.63 - Step 5: Solve for x
x = 13,648,461,774.63/134,331.80 - Step 6: Final answer
x = 101,602.62
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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.