Finding the Fourth Proportional to 166,539.68, 249,767.90 and 65,358.28
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Solution
The fourth proportional to 166,539.68, 249,767.90 and 65,358.28 is: 98,021.09
Step by Step Solution
- Step 1: Write the proportion equation
166,539.68 : 249,767.90 = 65,358.28 : x - Step 2: Convert to fraction form
166,539.68/249,767.90 = 65,358.28/x - Step 3: Cross multiply
166,539.68x = 249,767.90 × 65,358.28 - Step 4: Simplify right side
166,539.68x = 16,324,400,343.21 - Step 5: Solve for x
x = 16,324,400,343.21/166,539.68 - Step 6: Final answer
x = 98,021.09
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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.