Finding the Fourth Proportional to 214,133.60, 321,124.80 and 73,859.60
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Solution
The fourth proportional to 214,133.60, 321,124.80 and 73,859.60 is: 110,763.32
Step by Step Solution
- Step 1: Write the proportion equation
214,133.60 : 321,124.80 = 73,859.60 : x - Step 2: Convert to fraction form
214,133.60/321,124.80 = 73,859.60/x - Step 3: Cross multiply
214,133.60x = 321,124.80 × 73,859.60 - Step 4: Simplify right side
214,133.60x = 23,718,149,278.08 - Step 5: Solve for x
x = 23,718,149,278.08/214,133.60 - Step 6: Final answer
x = 110,763.32
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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.