Finding the Fourth Proportional to 307,750.60, 461,237.10 and 274,313.80
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Solution
The fourth proportional to 307,750.60, 461,237.10 and 274,313.80 is: 411,124.14
Step by Step Solution
- Step 1: Write the proportion equation
307,750.60 : 461,237.10 = 274,313.80 : x - Step 2: Convert to fraction form
307,750.60/461,237.10 = 274,313.80/x - Step 3: Cross multiply
307,750.60x = 461,237.10 × 274,313.80 - Step 4: Simplify right side
307,750.60x = 126,523,701,601.98 - Step 5: Solve for x
x = 126,523,701,601.98/307,750.60 - Step 6: Final answer
x = 411,124.14
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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.