Finding the Fourth Proportional to 134,494.80, 201,223.80 and 87,838.80
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Solution
The fourth proportional to 134,494.80, 201,223.80 and 87,838.80 is: 131,419.63
Step by Step Solution
- Step 1: Write the proportion equation
134,494.80 : 201,223.80 = 87,838.80 : x - Step 2: Convert to fraction form
134,494.80/201,223.80 = 87,838.80/x - Step 3: Cross multiply
134,494.80x = 201,223.80 × 87,838.80 - Step 4: Simplify right side
134,494.80x = 17,675,257,123.44 - Step 5: Solve for x
x = 17,675,257,123.44/134,494.80 - Step 6: Final answer
x = 131,419.63
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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.