Finding the Fourth Proportional to 165,953.08, 248,973.36 and 87,046.12
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Solution
The fourth proportional to 165,953.08, 248,973.36 and 87,046.12 is: 130,592.12
Step by Step Solution
- Step 1: Write the proportion equation
165,953.08 : 248,973.36 = 87,046.12 : x - Step 2: Convert to fraction form
165,953.08/248,973.36 = 87,046.12/x - Step 3: Cross multiply
165,953.08x = 248,973.36 × 87,046.12 - Step 4: Simplify right side
165,953.08x = 21,672,164,971.36 - Step 5: Solve for x
x = 21,672,164,971.36/165,953.08 - Step 6: Final answer
x = 130,592.12
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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.