Finding the Fourth Proportional to 155,152.80, 214,212.24 and 119,276.64
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Solution
The fourth proportional to 155,152.80, 214,212.24 and 119,276.64 is: 164,679.70
Step by Step Solution
- Step 1: Write the proportion equation
155,152.80 : 214,212.24 = 119,276.64 : x - Step 2: Convert to fraction form
155,152.80/214,212.24 = 119,276.64/x - Step 3: Cross multiply
155,152.80x = 214,212.24 × 119,276.64 - Step 4: Simplify right side
155,152.80x = 25,550,516,234.07 - Step 5: Solve for x
x = 25,550,516,234.07/155,152.80 - Step 6: Final answer
x = 164,679.70
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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.