Finding the Fourth Proportional to 268,268.40, 402,402.60 and 264,331.80
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Solution
The fourth proportional to 268,268.40, 402,402.60 and 264,331.80 is: 396,497.70
Step by Step Solution
- Step 1: Write the proportion equation
268,268.40 : 402,402.60 = 264,331.80 : x - Step 2: Convert to fraction form
268,268.40/402,402.60 = 264,331.80/x - Step 3: Cross multiply
268,268.40x = 402,402.60 × 264,331.80 - Step 4: Simplify right side
268,268.40x = 106,367,803,582.68 - Step 5: Solve for x
x = 106,367,803,582.68/268,268.40 - Step 6: Final answer
x = 396,497.70
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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.