Finding the Fourth Proportional to 134,432.10, 201,549.21 and 45,661.74
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Solution
The fourth proportional to 134,432.10, 201,549.21 and 45,661.74 is: 68,459.00
Step by Step Solution
- Step 1: Write the proportion equation
134,432.10 : 201,549.21 = 45,661.74 : x - Step 2: Convert to fraction form
134,432.10/201,549.21 = 45,661.74/x - Step 3: Cross multiply
134,432.10x = 201,549.21 × 45,661.74 - Step 4: Simplify right side
134,432.10x = 9,203,087,624.23 - Step 5: Solve for x
x = 9,203,087,624.23/134,432.10 - Step 6: Final answer
x = 68,459.00
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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.