Finding the Fourth Proportional to 134,420.30, 201,630.45 and 132,346.70
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Solution
The fourth proportional to 134,420.30, 201,630.45 and 132,346.70 is: 198,520.05
Step by Step Solution
- Step 1: Write the proportion equation
134,420.30 : 201,630.45 = 132,346.70 : x - Step 2: Convert to fraction form
134,420.30/201,630.45 = 132,346.70/x - Step 3: Cross multiply
134,420.30x = 201,630.45 × 132,346.70 - Step 4: Simplify right side
134,420.30x = 26,685,124,677.02 - Step 5: Solve for x
x = 26,685,124,677.02/134,420.30 - Step 6: Final answer
x = 198,520.05
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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.