Finding the Fourth Proportional to 256,957.44, 354,596.98 and 142,233.63
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Solution
The fourth proportional to 256,957.44, 354,596.98 and 142,233.63 is: 196,280.03
Step by Step Solution
- Step 1: Write the proportion equation
256,957.44 : 354,596.98 = 142,233.63 : x - Step 2: Convert to fraction form
256,957.44/354,596.98 = 142,233.63/x - Step 3: Cross multiply
256,957.44x = 354,596.98 × 142,233.63 - Step 4: Simplify right side
256,957.44x = 50,435,614,233.80 - Step 5: Solve for x
x = 50,435,614,233.80/256,957.44 - Step 6: Final answer
x = 196,280.03
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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.