Finding the Fourth Proportional to 73,232.10, 109,848.15 and 48,305.70
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Solution
The fourth proportional to 73,232.10, 109,848.15 and 48,305.70 is: 72,458.55
Step by Step Solution
- Step 1: Write the proportion equation
73,232.10 : 109,848.15 = 48,305.70 : x - Step 2: Convert to fraction form
73,232.10/109,848.15 = 48,305.70/x - Step 3: Cross multiply
73,232.10x = 109,848.15 × 48,305.70 - Step 4: Simplify right side
73,232.10x = 5,306,291,779.46 - Step 5: Solve for x
x = 5,306,291,779.46/73,232.10 - Step 6: Final answer
x = 72,458.55
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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.