Finding the Fourth Proportional to 134,444.20, 201,666.30 and 75,461.80
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Solution
The fourth proportional to 134,444.20, 201,666.30 and 75,461.80 is: 113,192.70
Step by Step Solution
- Step 1: Write the proportion equation
134,444.20 : 201,666.30 = 75,461.80 : x - Step 2: Convert to fraction form
134,444.20/201,666.30 = 75,461.80/x - Step 3: Cross multiply
134,444.20x = 201,666.30 × 75,461.80 - Step 4: Simplify right side
134,444.20x = 15,218,101,997.34 - Step 5: Solve for x
x = 15,218,101,997.34/134,444.20 - Step 6: Final answer
x = 113,192.70
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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.