Finding the Fourth Proportional to 243,865.53, 365,833.34 and 75,398.99
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Solution
The fourth proportional to 243,865.53, 365,833.34 and 75,398.99 is: 113,109.32
Step by Step Solution
- Step 1: Write the proportion equation
243,865.53 : 365,833.34 = 75,398.99 : x - Step 2: Convert to fraction form
243,865.53/365,833.34 = 75,398.99/x - Step 3: Cross multiply
243,865.53x = 365,833.34 × 75,398.99 - Step 4: Simplify right side
243,865.53x = 27,583,464,075.53 - Step 5: Solve for x
x = 27,583,464,075.53/243,865.53 - Step 6: Final answer
x = 113,109.32
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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.