Finding the Fourth Proportional to 307,223.83, 460,668.98 and 138,546.80
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Solution
The fourth proportional to 307,223.83, 460,668.98 and 138,546.80 is: 207,744.99
Step by Step Solution
- Step 1: Write the proportion equation
307,223.83 : 460,668.98 = 138,546.80 : x - Step 2: Convert to fraction form
307,223.83/460,668.98 = 138,546.80/x - Step 3: Cross multiply
307,223.83x = 460,668.98 × 138,546.80 - Step 4: Simplify right side
307,223.83x = 63,824,211,081.29 - Step 5: Solve for x
x = 63,824,211,081.29/307,223.83 - Step 6: Final answer
x = 207,744.99
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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.