Finding the Fourth Proportional to 1,499.09, 2,248.56 and 575.08
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Solution
The fourth proportional to 1,499.09, 2,248.56 and 575.08 is: 862.59
Step by Step Solution
- Step 1: Write the proportion equation
1,499.09 : 2,248.56 = 575.08 : x - Step 2: Convert to fraction form
1,499.09/2,248.56 = 575.08/x - Step 3: Cross multiply
1,499.09x = 2,248.56 × 575.08 - Step 4: Simplify right side
1,499.09x = 1,293,096.26 - Step 5: Solve for x
x = 1,293,096.26/1,499.09 - Step 6: Final answer
x = 862.59
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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.