Finding the Fourth Proportional to 166,207.95, 230,915.36 and 164,215.05
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Solution
The fourth proportional to 166,207.95, 230,915.36 and 164,215.05 is: 228,146.58
Step by Step Solution
- Step 1: Write the proportion equation
166,207.95 : 230,915.36 = 164,215.05 : x - Step 2: Convert to fraction form
166,207.95/230,915.36 = 164,215.05/x - Step 3: Cross multiply
166,207.95x = 230,915.36 × 164,215.05 - Step 4: Simplify right side
166,207.95x = 37,919,776,009.06 - Step 5: Solve for x
x = 37,919,776,009.06/166,207.95 - Step 6: Final answer
x = 228,146.58
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.