Finding the Fourth Proportional to 180,387.21, 270,674.18 and 130,875.96
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Solution
The fourth proportional to 180,387.21, 270,674.18 and 130,875.96 is: 196,381.68
Step by Step Solution
- Step 1: Write the proportion equation
180,387.21 : 270,674.18 = 130,875.96 : x - Step 2: Convert to fraction form
180,387.21/270,674.18 = 130,875.96/x - Step 3: Cross multiply
180,387.21x = 270,674.18 × 130,875.96 - Step 4: Simplify right side
180,387.21x = 35,424,742,500.33 - Step 5: Solve for x
x = 35,424,742,500.33/180,387.21 - Step 6: Final answer
x = 196,381.68
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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.