Finding the Fourth Proportional to 307,553.70, 461,330.55 and 228,821.70
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Solution
The fourth proportional to 307,553.70, 461,330.55 and 228,821.70 is: 343,232.55
Step by Step Solution
- Step 1: Write the proportion equation
307,553.70 : 461,330.55 = 228,821.70 : x - Step 2: Convert to fraction form
307,553.70/461,330.55 = 228,821.70/x - Step 3: Cross multiply
307,553.70x = 461,330.55 × 228,821.70 - Step 4: Simplify right side
307,553.70x = 105,562,440,712.94 - Step 5: Solve for x
x = 105,562,440,712.94/307,553.70 - Step 6: Final answer
x = 343,232.55
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1.5x scale
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.