Finding the Fourth Proportional to 134,488.14, 201,713.13 and 45,728.79
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Solution
The fourth proportional to 134,488.14, 201,713.13 and 45,728.79 is: 68,586.70
Step by Step Solution
- Step 1: Write the proportion equation
134,488.14 : 201,713.13 = 45,728.79 : x - Step 2: Convert to fraction form
134,488.14/201,713.13 = 45,728.79/x - Step 3: Cross multiply
134,488.14x = 201,713.13 × 45,728.79 - Step 4: Simplify right side
134,488.14x = 9,224,097,362.01 - Step 5: Solve for x
x = 9,224,097,362.01/134,488.14 - Step 6: Final answer
x = 68,586.70
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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.