Finding the Fourth Proportional to 268,325.60, 402,484.21 and 68,644.26
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Solution
The fourth proportional to 268,325.60, 402,484.21 and 68,644.26 is: 102,965.32
Step by Step Solution
- Step 1: Write the proportion equation
268,325.60 : 402,484.21 = 68,644.26 : x - Step 2: Convert to fraction form
268,325.60/402,484.21 = 68,644.26/x - Step 3: Cross multiply
268,325.60x = 402,484.21 × 68,644.26 - Step 4: Simplify right side
268,325.60x = 27,628,230,585.52 - Step 5: Solve for x
x = 27,628,230,585.52/268,325.60 - Step 6: Final answer
x = 102,965.32
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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.