Finding the Fourth Proportional to 164,040.24, 245,972.84 and 84,958.32
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Solution
The fourth proportional to 164,040.24, 245,972.84 and 84,958.32 is: 127,392.15
Step by Step Solution
- Step 1: Write the proportion equation
164,040.24 : 245,972.84 = 84,958.32 : x - Step 2: Convert to fraction form
164,040.24/245,972.84 = 84,958.32/x - Step 3: Cross multiply
164,040.24x = 245,972.84 × 84,958.32 - Step 4: Simplify right side
164,040.24x = 20,897,439,252.03 - Step 5: Solve for x
x = 20,897,439,252.03/164,040.24 - Step 6: Final answer
x = 127,392.15
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.