Finding the Fourth Proportional to 134,480.80, 185,584.88 and 74,057.06
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Solution
The fourth proportional to 134,480.80, 185,584.88 and 74,057.06 is: 102,199.50
Step by Step Solution
- Step 1: Write the proportion equation
134,480.80 : 185,584.88 = 74,057.06 : x - Step 2: Convert to fraction form
134,480.80/185,584.88 = 74,057.06/x - Step 3: Cross multiply
134,480.80x = 185,584.88 × 74,057.06 - Step 4: Simplify right side
134,480.80x = 13,743,870,593.25 - Step 5: Solve for x
x = 13,743,870,593.25/134,480.80 - Step 6: Final answer
x = 102,199.50
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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.