Finding the Fourth Proportional to 212,146.41, 292,767.08 and 116,653.03
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Solution
The fourth proportional to 212,146.41, 292,767.08 and 116,653.03 is: 160,983.95
Step by Step Solution
- Step 1: Write the proportion equation
212,146.41 : 292,767.08 = 116,653.03 : x - Step 2: Convert to fraction form
212,146.41/292,767.08 = 116,653.03/x - Step 3: Cross multiply
212,146.41x = 292,767.08 × 116,653.03 - Step 4: Simplify right side
212,146.41x = 34,152,167,297.88 - Step 5: Solve for x
x = 34,152,167,297.88/212,146.41 - Step 6: Final answer
x = 160,983.95
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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.