Finding the Fourth Proportional to 113,220.08, 156,247.48 and 62,234.63
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Solution
The fourth proportional to 113,220.08, 156,247.48 and 62,234.63 is: 85,885.86
Step by Step Solution
- Step 1: Write the proportion equation
113,220.08 : 156,247.48 = 62,234.63 : x - Step 2: Convert to fraction form
113,220.08/156,247.48 = 62,234.63/x - Step 3: Cross multiply
113,220.08x = 156,247.48 × 62,234.63 - Step 4: Simplify right side
113,220.08x = 9,724,004,106.23 - Step 5: Solve for x
x = 9,724,004,106.23/113,220.08 - Step 6: Final answer
x = 85,885.86
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1.5x scale
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.