Finding the Fourth Proportional to 130,876.08, 196,311.96 and 32,380.08
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Solution
The fourth proportional to 130,876.08, 196,311.96 and 32,380.08 is: 48,569.59
Step by Step Solution
- Step 1: Write the proportion equation
130,876.08 : 196,311.96 = 32,380.08 : x - Step 2: Convert to fraction form
130,876.08/196,311.96 = 32,380.08/x - Step 3: Cross multiply
130,876.08x = 196,311.96 × 32,380.08 - Step 4: Simplify right side
130,876.08x = 6,356,596,969.76 - Step 5: Solve for x
x = 6,356,596,969.76/130,876.08 - Step 6: Final answer
x = 48,569.59
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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.