Finding the Fourth Proportional to 212,117.56, 292,722.42 and 116,625.88
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Solution
The fourth proportional to 212,117.56, 292,722.42 and 116,625.88 is: 160,943.82
Step by Step Solution
- Step 1: Write the proportion equation
212,117.56 : 292,722.42 = 116,625.88 : x - Step 2: Convert to fraction form
212,117.56/292,722.42 = 116,625.88/x - Step 3: Cross multiply
212,117.56x = 292,722.42 × 116,625.88 - Step 4: Simplify right side
212,117.56x = 34,139,009,828.23 - Step 5: Solve for x
x = 34,139,009,828.23/212,117.56 - Step 6: Final answer
x = 160,943.82
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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.