Finding the Fourth Proportional to 134,615.40, 201,923.10 and 132,865.80
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Solution
The fourth proportional to 134,615.40, 201,923.10 and 132,865.80 is: 199,298.70
Step by Step Solution
- Step 1: Write the proportion equation
134,615.40 : 201,923.10 = 132,865.80 : x - Step 2: Convert to fraction form
134,615.40/201,923.10 = 132,865.80/x - Step 3: Cross multiply
134,615.40x = 201,923.10 × 132,865.80 - Step 4: Simplify right side
134,615.40x = 26,828,674,219.98 - Step 5: Solve for x
x = 26,828,674,219.98/134,615.40 - Step 6: Final answer
x = 199,298.70
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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.