Finding the Fourth Proportional to 351,128.57, 484,553.97 and 189,980.08
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Solution
The fourth proportional to 351,128.57, 484,553.97 and 189,980.08 is: 262,170.64
Step by Step Solution
- Step 1: Write the proportion equation
351,128.57 : 484,553.97 = 189,980.08 : x - Step 2: Convert to fraction form
351,128.57/484,553.97 = 189,980.08/x - Step 3: Cross multiply
351,128.57x = 484,553.97 × 189,980.08 - Step 4: Simplify right side
351,128.57x = 92,055,600,773.53 - Step 5: Solve for x
x = 92,055,600,773.53/351,128.57 - Step 6: Final answer
x = 262,170.64
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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.