Finding the Fourth Proportional to 409,742.44, 614,471.52 and 143,497.08
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Solution
The fourth proportional to 409,742.44, 614,471.52 and 143,497.08 is: 215,195.84
Step by Step Solution
- Step 1: Write the proportion equation
409,742.44 : 614,471.52 = 143,497.08 : x - Step 2: Convert to fraction form
409,742.44/614,471.52 = 143,497.08/x - Step 3: Cross multiply
409,742.44x = 614,471.52 × 143,497.08 - Step 4: Simplify right side
409,742.44x = 88,174,868,863.16 - Step 5: Solve for x
x = 88,174,868,863.16/409,742.44 - Step 6: Final answer
x = 215,195.84
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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.