Finding the Fourth Proportional to 165,864.05, 228,883.74 and 94,234.13
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Solution
The fourth proportional to 165,864.05, 228,883.74 and 94,234.13 is: 130,038.19
Step by Step Solution
- Step 1: Write the proportion equation
165,864.05 : 228,883.74 = 94,234.13 : x - Step 2: Convert to fraction form
165,864.05/228,883.74 = 94,234.13/x - Step 3: Cross multiply
165,864.05x = 228,883.74 × 94,234.13 - Step 4: Simplify right side
165,864.05x = 21,568,660,110.05 - Step 5: Solve for x
x = 21,568,660,110.05/165,864.05 - Step 6: Final answer
x = 130,038.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.