Finding the Fourth Proportional to 214,373.80, 321,560.70 and 74,117.80
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Solution
The fourth proportional to 214,373.80, 321,560.70 and 74,117.80 is: 111,176.70
Step by Step Solution
- Step 1: Write the proportion equation
214,373.80 : 321,560.70 = 74,117.80 : x - Step 2: Convert to fraction form
214,373.80/321,560.70 = 74,117.80/x - Step 3: Cross multiply
214,373.80x = 321,560.70 × 74,117.80 - Step 4: Simplify right side
214,373.80x = 23,833,371,650.46 - Step 5: Solve for x
x = 23,833,371,650.46/214,373.80 - Step 6: Final answer
x = 111,176.70
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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.