Finding the Fourth Proportional to 134,272.80, 201,411.12 and 58,354.08
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Solution
The fourth proportional to 134,272.80, 201,411.12 and 58,354.08 is: 87,531.95
Step by Step Solution
- Step 1: Write the proportion equation
134,272.80 : 201,411.12 = 58,354.08 : x - Step 2: Convert to fraction form
134,272.80/201,411.12 = 58,354.08/x - Step 3: Cross multiply
134,272.80x = 201,411.12 × 58,354.08 - Step 4: Simplify right side
134,272.80x = 11,753,160,609.37 - Step 5: Solve for x
x = 11,753,160,609.37/134,272.80 - Step 6: Final answer
x = 87,531.95
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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.