Finding the Fourth Proportional to 133,478.08, 200,006.36 and 108,396.08
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Solution
The fourth proportional to 133,478.08, 200,006.36 and 108,396.08 is: 162,422.96
Step by Step Solution
- Step 1: Write the proportion equation
133,478.08 : 200,006.36 = 108,396.08 : x - Step 2: Convert to fraction form
133,478.08/200,006.36 = 108,396.08/x - Step 3: Cross multiply
133,478.08x = 200,006.36 × 108,396.08 - Step 4: Simplify right side
133,478.08x = 21,679,905,399.07 - Step 5: Solve for x
x = 21,679,905,399.07/133,478.08 - Step 6: Final answer
x = 162,422.96
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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.