Finding the Fourth Proportional to 253,771.41, 350,178.87 and 151,776.63
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Solution
The fourth proportional to 253,771.41, 350,178.87 and 151,776.63 is: 209,436.39
Step by Step Solution
- Step 1: Write the proportion equation
253,771.41 : 350,178.87 = 151,776.63 : x - Step 2: Convert to fraction form
253,771.41/350,178.87 = 151,776.63/x - Step 3: Cross multiply
253,771.41x = 350,178.87 × 151,776.63 - Step 4: Simplify right side
253,771.41x = 53,148,968,785.81 - Step 5: Solve for x
x = 53,148,968,785.81/253,771.41 - Step 6: Final answer
x = 209,436.39
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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.