Finding the Fourth Proportional to 1,003.06, 1,504.32 and 272.46
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Solution
The fourth proportional to 1,003.06, 1,504.32 and 272.46 is: 408.62
Step by Step Solution
- Step 1: Write the proportion equation
1,003.06 : 1,504.32 = 272.46 : x - Step 2: Convert to fraction form
1,003.06/1,504.32 = 272.46/x - Step 3: Cross multiply
1,003.06x = 1,504.32 × 272.46 - Step 4: Simplify right side
1,003.06x = 409,873.18 - Step 5: Solve for x
x = 409,873.18/1,003.06 - Step 6: Final answer
x = 408.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.