Finding the Fourth Proportional to 425,738.39, 637,884.92 and 256,903.97
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Solution
The fourth proportional to 425,738.39, 637,884.92 and 256,903.97 is: 384,919.88
Step by Step Solution
- Step 1: Write the proportion equation
425,738.39 : 637,884.92 = 256,903.97 : x - Step 2: Convert to fraction form
425,738.39/637,884.92 = 256,903.97/x - Step 3: Cross multiply
425,738.39x = 637,884.92 × 256,903.97 - Step 4: Simplify right side
425,738.39x = 163,875,168,351.13 - Step 5: Solve for x
x = 163,875,168,351.13/425,738.39 - Step 6: Final answer
x = 384,919.88
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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.