Finding the Fourth Proportional to 230,276.34, 345,426.84 and 72,517.08
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Solution
The fourth proportional to 230,276.34, 345,426.84 and 72,517.08 is: 108,779.50
Step by Step Solution
- Step 1: Write the proportion equation
230,276.34 : 345,426.84 = 72,517.08 : x - Step 2: Convert to fraction form
230,276.34/345,426.84 = 72,517.08/x - Step 3: Cross multiply
230,276.34x = 345,426.84 × 72,517.08 - Step 4: Simplify right side
230,276.34x = 25,049,345,790.43 - Step 5: Solve for x
x = 25,049,345,790.43/230,276.34 - Step 6: Final answer
x = 108,779.50
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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.