Finding the Fourth Proportional to 282,861.04, 389,946.18 and 224,992.84
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Solution
The fourth proportional to 282,861.04, 389,946.18 and 224,992.84 is: 310,170.32
Step by Step Solution
- Step 1: Write the proportion equation
282,861.04 : 389,946.18 = 224,992.84 : x - Step 2: Convert to fraction form
282,861.04/389,946.18 = 224,992.84/x - Step 3: Cross multiply
282,861.04x = 389,946.18 × 224,992.84 - Step 4: Simplify right side
282,861.04x = 87,735,098,485.35 - Step 5: Solve for x
x = 87,735,098,485.35/282,861.04 - Step 6: Final answer
x = 310,170.32
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1.5x scale
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.