Finding the Fourth Proportional to 449,631.28, 674,476.08 and 134,120.08
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Solution
The fourth proportional to 449,631.28, 674,476.08 and 134,120.08 is: 201,188.82
Step by Step Solution
- Step 1: Write the proportion equation
449,631.28 : 674,476.08 = 134,120.08 : x - Step 2: Convert to fraction form
449,631.28/674,476.08 = 134,120.08/x - Step 3: Cross multiply
449,631.28x = 674,476.08 × 134,120.08 - Step 4: Simplify right side
449,631.28x = 90,460,785,807.69 - Step 5: Solve for x
x = 90,460,785,807.69/449,631.28 - Step 6: Final answer
x = 201,188.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.