Finding the Fourth Proportional to 134,508.80, 201,244.80 and 87,852.80
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Solution
The fourth proportional to 134,508.80, 201,244.80 and 87,852.80 is: 131,440.61
Step by Step Solution
- Step 1: Write the proportion equation
134,508.80 : 201,244.80 = 87,852.80 : x - Step 2: Convert to fraction form
134,508.80/201,244.80 = 87,852.80/x - Step 3: Cross multiply
134,508.80x = 201,244.80 × 87,852.80 - Step 4: Simplify right side
134,508.80x = 17,679,919,165.44 - Step 5: Solve for x
x = 17,679,919,165.44/134,508.80 - Step 6: Final answer
x = 131,440.61
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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.