Finding the Fourth Proportional to 136,463.04, 204,655.68 and 86,467.68
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Solution
The fourth proportional to 136,463.04, 204,655.68 and 86,467.68 is: 129,676.88
Step by Step Solution
- Step 1: Write the proportion equation
136,463.04 : 204,655.68 = 86,467.68 : x - Step 2: Convert to fraction form
136,463.04/204,655.68 = 86,467.68/x - Step 3: Cross multiply
136,463.04x = 204,655.68 × 86,467.68 - Step 4: Simplify right side
136,463.04x = 17,696,101,848.42 - Step 5: Solve for x
x = 17,696,101,848.42/136,463.04 - Step 6: Final answer
x = 129,676.88
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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.