Finding the Fourth Proportional to 134,638.60, 201,895.81 and 39,834.88
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Solution
The fourth proportional to 134,638.60, 201,895.81 and 39,834.88 is: 59,733.95
Step by Step Solution
- Step 1: Write the proportion equation
134,638.60 : 201,895.81 = 39,834.88 : x - Step 2: Convert to fraction form
134,638.60/201,895.81 = 39,834.88/x - Step 3: Cross multiply
134,638.60x = 201,895.81 × 39,834.88 - Step 4: Simplify right side
134,638.60x = 8,042,495,363.85 - Step 5: Solve for x
x = 8,042,495,363.85/134,638.60 - Step 6: Final answer
x = 59,733.95
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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.