Finding the Fourth Proportional to 434,577.20, 651,865.80 and 368,311.10
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Solution
The fourth proportional to 434,577.20, 651,865.80 and 368,311.10 is: 552,466.65
Step by Step Solution
- Step 1: Write the proportion equation
434,577.20 : 651,865.80 = 368,311.10 : x - Step 2: Convert to fraction form
434,577.20/651,865.80 = 368,311.10/x - Step 3: Cross multiply
434,577.20x = 651,865.80 × 368,311.10 - Step 4: Simplify right side
434,577.20x = 240,089,409,850.38 - Step 5: Solve for x
x = 240,089,409,850.38/434,577.20 - Step 6: Final answer
x = 552,466.65
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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.