Finding the Fourth Proportional to 180,714.81, 249,356.16 and 120,375.48
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Solution
The fourth proportional to 180,714.81, 249,356.16 and 120,375.48 is: 166,097.99
Step by Step Solution
- Step 1: Write the proportion equation
180,714.81 : 249,356.16 = 120,375.48 : x - Step 2: Convert to fraction form
180,714.81/249,356.16 = 120,375.48/x - Step 3: Cross multiply
180,714.81x = 249,356.16 × 120,375.48 - Step 4: Simplify right side
180,714.81x = 30,016,367,450.96 - Step 5: Solve for x
x = 30,016,367,450.96/180,714.81 - Step 6: Final answer
x = 166,097.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.