Finding the Fourth Proportional to 425,088.09, 637,716.21 and 121,484.97
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Solution
The fourth proportional to 425,088.09, 637,716.21 and 121,484.97 is: 182,251.48
Step by Step Solution
- Step 1: Write the proportion equation
425,088.09 : 637,716.21 = 121,484.97 : x - Step 2: Convert to fraction form
425,088.09/637,716.21 = 121,484.97/x - Step 3: Cross multiply
425,088.09x = 637,716.21 × 121,484.97 - Step 4: Simplify right side
425,088.09x = 77,472,934,184.80 - Step 5: Solve for x
x = 77,472,934,184.80/425,088.09 - Step 6: Final answer
x = 182,251.48
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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.