Finding the Fourth Proportional to 425,335.92, 637,402.05 and 235,879.62
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Solution
The fourth proportional to 425,335.92, 637,402.05 and 235,879.62 is: 353,485.67
Step by Step Solution
- Step 1: Write the proportion equation
425,335.92 : 637,402.05 = 235,879.62 : x - Step 2: Convert to fraction form
425,335.92/637,402.05 = 235,879.62/x - Step 3: Cross multiply
425,335.92x = 637,402.05 × 235,879.62 - Step 4: Simplify right side
425,335.92x = 150,350,153,341.22 - Step 5: Solve for x
x = 150,350,153,341.22/425,335.92 - Step 6: Final answer
x = 353,485.67
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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.