Finding the Fourth Proportional to 212,265.04, 292,916.52 and 116,765.68
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Solution
The fourth proportional to 212,265.04, 292,916.52 and 116,765.68 is: 161,131.56
Step by Step Solution
- Step 1: Write the proportion equation
212,265.04 : 292,916.52 = 116,765.68 : x - Step 2: Convert to fraction form
212,265.04/292,916.52 = 116,765.68/x - Step 3: Cross multiply
212,265.04x = 292,916.52 × 116,765.68 - Step 4: Simplify right side
212,265.04x = 34,202,596,641.03 - Step 5: Solve for x
x = 34,202,596,641.03/212,265.04 - Step 6: Final answer
x = 161,131.56
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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.