Finding the Fourth Proportional to 306,996.66, 460,544.21 and 129,529.81
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Solution
The fourth proportional to 306,996.66, 460,544.21 and 129,529.81 is: 194,315.48
Step by Step Solution
- Step 1: Write the proportion equation
306,996.66 : 460,544.21 = 129,529.81 : x - Step 2: Convert to fraction form
306,996.66/460,544.21 = 129,529.81/x - Step 3: Cross multiply
306,996.66x = 460,544.21 × 129,529.81 - Step 4: Simplify right side
306,996.66x = 59,654,204,017.90 - Step 5: Solve for x
x = 59,654,204,017.90/306,996.66 - Step 6: Final answer
x = 194,315.48
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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.