Finding the Fourth Proportional to 425,232.81, 637,528.50 and 256,713.08
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Solution
The fourth proportional to 425,232.81, 637,528.50 and 256,713.08 is: 384,876.00
Step by Step Solution
- Step 1: Write the proportion equation
425,232.81 : 637,528.50 = 256,713.08 : x - Step 2: Convert to fraction form
425,232.81/637,528.50 = 256,713.08/x - Step 3: Cross multiply
425,232.81x = 637,528.50 × 256,713.08 - Step 4: Simplify right side
425,232.81x = 163,661,901,635.14 - Step 5: Solve for x
x = 163,661,901,635.14/425,232.81 - Step 6: Final answer
x = 384,876.00
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1.5x scale
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.