Finding the Fourth Proportional to 351,311.10, 484,809.60 and 190,165.65
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Solution
The fourth proportional to 351,311.10, 484,809.60 and 190,165.65 is: 262,428.75
Step by Step Solution
- Step 1: Write the proportion equation
351,311.10 : 484,809.60 = 190,165.65 : x - Step 2: Convert to fraction form
351,311.10/484,809.60 = 190,165.65/x - Step 3: Cross multiply
351,311.10x = 484,809.60 × 190,165.65 - Step 4: Simplify right side
351,311.10x = 92,194,132,710.24 - Step 5: Solve for x
x = 92,194,132,710.24/351,311.10 - Step 6: Final answer
x = 262,428.75
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.