Finding the Fourth Proportional to 214,410.24, 321,485.76 and 102,124.80
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Solution
The fourth proportional to 214,410.24, 321,485.76 and 102,124.80 is: 153,125.47
Step by Step Solution
- Step 1: Write the proportion equation
214,410.24 : 321,485.76 = 102,124.80 : x - Step 2: Convert to fraction form
214,410.24/321,485.76 = 102,124.80/x - Step 3: Cross multiply
214,410.24x = 321,485.76 × 102,124.80 - Step 4: Simplify right side
214,410.24x = 32,831,668,942.85 - Step 5: Solve for x
x = 32,831,668,942.85/214,410.24 - Step 6: Final answer
x = 153,125.47
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1.5x scale
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.