Finding the Fourth Proportional to 323,823.70, 485,735.55 and 235,695.70
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Solution
The fourth proportional to 323,823.70, 485,735.55 and 235,695.70 is: 353,543.55
Step by Step Solution
- Step 1: Write the proportion equation
323,823.70 : 485,735.55 = 235,695.70 : x - Step 2: Convert to fraction form
323,823.70/485,735.55 = 235,695.70/x - Step 3: Cross multiply
323,823.70x = 485,735.55 × 235,695.70 - Step 4: Simplify right side
323,823.70x = 114,485,780,472.14 - Step 5: Solve for x
x = 114,485,780,472.14/323,823.70 - Step 6: Final answer
x = 353,543.55
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1.5x scale
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.