Finding the Fourth Proportional to 347,341.80, 521,012.70 and 207,373.80
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Solution
The fourth proportional to 347,341.80, 521,012.70 and 207,373.80 is: 311,060.70
Step by Step Solution
- Step 1: Write the proportion equation
347,341.80 : 521,012.70 = 207,373.80 : x - Step 2: Convert to fraction form
347,341.80/521,012.70 = 207,373.80/x - Step 3: Cross multiply
347,341.80x = 521,012.70 × 207,373.80 - Step 4: Simplify right side
347,341.80x = 108,044,383,447.26 - Step 5: Solve for x
x = 108,044,383,447.26/347,341.80 - Step 6: Final answer
x = 311,060.70
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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.