Finding the Fourth Proportional to 224,744.98, 310,157.50 and 129,251.75
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Solution
The fourth proportional to 224,744.98, 310,157.50 and 129,251.75 is: 178,372.83
Step by Step Solution
- Step 1: Write the proportion equation
224,744.98 : 310,157.50 = 129,251.75 : x - Step 2: Convert to fraction form
224,744.98/310,157.50 = 129,251.75/x - Step 3: Cross multiply
224,744.98x = 310,157.50 × 129,251.75 - Step 4: Simplify right side
224,744.98x = 40,088,398,228.97 - Step 5: Solve for x
x = 40,088,398,228.97/224,744.98 - Step 6: Final answer
x = 178,372.83
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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.