Finding the Fourth Proportional to 307,813.20, 461,714.76 and 97,450.80
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Solution
The fourth proportional to 307,813.20, 461,714.76 and 97,450.80 is: 146,174.60
Step by Step Solution
- Step 1: Write the proportion equation
307,813.20 : 461,714.76 = 97,450.80 : x - Step 2: Convert to fraction form
307,813.20/461,714.76 = 97,450.80/x - Step 3: Cross multiply
307,813.20x = 461,714.76 × 97,450.80 - Step 4: Simplify right side
307,813.20x = 44,994,472,733.81 - Step 5: Solve for x
x = 44,994,472,733.81/307,813.20 - Step 6: Final answer
x = 146,174.60
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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.