Finding the Fourth Proportional to 165,921.65, 228,985.49 and 94,324.13
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Solution
The fourth proportional to 165,921.65, 228,985.49 and 94,324.13 is: 130,175.04
Step by Step Solution
- Step 1: Write the proportion equation
165,921.65 : 228,985.49 = 94,324.13 : x - Step 2: Convert to fraction form
165,921.65/228,985.49 = 94,324.13/x - Step 3: Cross multiply
165,921.65x = 228,985.49 × 94,324.13 - Step 4: Simplify right side
165,921.65x = 21,598,856,655.25 - Step 5: Solve for x
x = 21,598,856,655.25/165,921.65 - Step 6: Final answer
x = 130,175.04
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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.