Finding the Fourth Proportional to 410,366.21, 566,290.50 and 257,486.81
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Solution
The fourth proportional to 410,366.21, 566,290.50 and 257,486.81 is: 355,322.47
Step by Step Solution
- Step 1: Write the proportion equation
410,366.21 : 566,290.50 = 257,486.81 : x - Step 2: Convert to fraction form
410,366.21/566,290.50 = 257,486.81/x - Step 3: Cross multiply
410,366.21x = 566,290.50 × 257,486.81 - Step 4: Simplify right side
410,366.21x = 145,812,331,546.85 - Step 5: Solve for x
x = 145,812,331,546.85/410,366.21 - Step 6: Final answer
x = 355,322.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.