Finding the Fourth Proportional to 340,771.87, 469,989.11 and 299,847.63
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Solution
The fourth proportional to 340,771.87, 469,989.11 and 299,847.63 is: 413,546.82
Step by Step Solution
- Step 1: Write the proportion equation
340,771.87 : 469,989.11 = 299,847.63 : x - Step 2: Convert to fraction form
340,771.87/469,989.11 = 299,847.63/x - Step 3: Cross multiply
340,771.87x = 469,989.11 × 299,847.63 - Step 4: Simplify right side
340,771.87x = 140,925,121,508.93 - Step 5: Solve for x
x = 140,925,121,508.93/340,771.87 - Step 6: Final answer
x = 413,546.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.