Finding the Fourth Proportional to 425,088.75, 637,717.21 and 121,485.63
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Solution
The fourth proportional to 425,088.75, 637,717.21 and 121,485.63 is: 182,252.48
Step by Step Solution
- Step 1: Write the proportion equation
425,088.75 : 637,717.21 = 121,485.63 : x - Step 2: Convert to fraction form
425,088.75/637,717.21 = 121,485.63/x - Step 3: Cross multiply
425,088.75x = 637,717.21 × 121,485.63 - Step 4: Simplify right side
425,088.75x = 77,473,477,018.69 - Step 5: Solve for x
x = 77,473,477,018.69/425,088.75 - Step 6: Final answer
x = 182,252.48
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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.