Finding the Fourth Proportional to 146,040.84, 201,536.28 and 78,972.84
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Solution
The fourth proportional to 146,040.84, 201,536.28 and 78,972.84 is: 108,982.48
Step by Step Solution
- Step 1: Write the proportion equation
146,040.84 : 201,536.28 = 78,972.84 : x - Step 2: Convert to fraction form
146,040.84/201,536.28 = 78,972.84/x - Step 3: Cross multiply
146,040.84x = 201,536.28 × 78,972.84 - Step 4: Simplify right side
146,040.84x = 15,915,892,394.64 - Step 5: Solve for x
x = 15,915,892,394.64/146,040.84 - Step 6: Final answer
x = 108,982.48
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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.