Finding the Fourth Proportional to 212,070.76, 292,650.17 and 116,576.75
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Solution
The fourth proportional to 212,070.76, 292,650.17 and 116,576.75 is: 160,871.81
Step by Step Solution
- Step 1: Write the proportion equation
212,070.76 : 292,650.17 = 116,576.75 : x - Step 2: Convert to fraction form
212,070.76/292,650.17 = 116,576.75/x - Step 3: Cross multiply
212,070.76x = 292,650.17 × 116,576.75 - Step 4: Simplify right side
212,070.76x = 34,116,205,854.29 - Step 5: Solve for x
x = 34,116,205,854.29/212,070.76 - Step 6: Final answer
x = 160,871.81
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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.