Finding the Fourth Proportional to 216,783.70, 325,094.67 and 74,588.75
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Solution
The fourth proportional to 216,783.70, 325,094.67 and 74,588.75 is: 111,855.30
Step by Step Solution
- Step 1: Write the proportion equation
216,783.70 : 325,094.67 = 74,588.75 : x - Step 2: Convert to fraction form
216,783.70/325,094.67 = 74,588.75/x - Step 3: Cross multiply
216,783.70x = 325,094.67 × 74,588.75 - Step 4: Simplify right side
216,783.70x = 24,248,405,693.23 - Step 5: Solve for x
x = 24,248,405,693.23/216,783.70 - Step 6: Final answer
x = 111,855.30
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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.