Finding the Fourth Proportional to 268,274.77, 402,412.23 and 99,773.08
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Solution
The fourth proportional to 268,274.77, 402,412.23 and 99,773.08 is: 149,659.65
Step by Step Solution
- Step 1: Write the proportion equation
268,274.77 : 402,412.23 = 99,773.08 : x - Step 2: Convert to fraction form
268,274.77/402,412.23 = 99,773.08/x - Step 3: Cross multiply
268,274.77x = 402,412.23 × 99,773.08 - Step 4: Simplify right side
268,274.77x = 40,149,907,616.77 - Step 5: Solve for x
x = 40,149,907,616.77/268,274.77 - Step 6: Final answer
x = 149,659.65
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.