Finding the Fourth Proportional to 220,928.00, 304,861.92 and 124,124.28
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Solution
The fourth proportional to 220,928.00, 304,861.92 and 124,124.28 is: 171,280.99
Step by Step Solution
- Step 1: Write the proportion equation
220,928.00 : 304,861.92 = 124,124.28 : x - Step 2: Convert to fraction form
220,928.00/304,861.92 = 124,124.28/x - Step 3: Cross multiply
220,928.00x = 304,861.92 × 124,124.28 - Step 4: Simplify right side
220,928.00x = 37,840,766,319.42 - Step 5: Solve for x
x = 37,840,766,319.42/220,928.00 - Step 6: Final answer
x = 171,280.99
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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.