Finding the Fourth Proportional to 352,311.18, 528,554.58 and 102,993.18
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Solution
The fourth proportional to 352,311.18, 528,554.58 and 102,993.18 is: 154,515.44
Step by Step Solution
- Step 1: Write the proportion equation
352,311.18 : 528,554.58 = 102,993.18 : x - Step 2: Convert to fraction form
352,311.18/528,554.58 = 102,993.18/x - Step 3: Cross multiply
352,311.18x = 528,554.58 × 102,993.18 - Step 4: Simplify right side
352,311.18x = 54,437,516,997.76 - Step 5: Solve for x
x = 54,437,516,997.76/352,311.18 - Step 6: Final answer
x = 154,515.44
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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.