Finding the Fourth Proportional to 307,520.57, 461,278.11 and 97,158.50
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Solution
The fourth proportional to 307,520.57, 461,278.11 and 97,158.50 is: 145,736.88
Step by Step Solution
- Step 1: Write the proportion equation
307,520.57 : 461,278.11 = 97,158.50 : x - Step 2: Convert to fraction form
307,520.57/461,278.11 = 97,158.50/x - Step 3: Cross multiply
307,520.57x = 461,278.11 × 97,158.50 - Step 4: Simplify right side
307,520.57x = 44,817,089,250.44 - Step 5: Solve for x
x = 44,817,089,250.44/307,520.57 - Step 6: Final answer
x = 145,736.88
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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.