Finding the Fourth Proportional to 230,680.51, 318,339.36 and 135,187.30
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Solution
The fourth proportional to 230,680.51, 318,339.36 and 135,187.30 is: 186,558.62
Step by Step Solution
- Step 1: Write the proportion equation
230,680.51 : 318,339.36 = 135,187.30 : x - Step 2: Convert to fraction form
230,680.51/318,339.36 = 135,187.30/x - Step 3: Cross multiply
230,680.51x = 318,339.36 × 135,187.30 - Step 4: Simplify right side
230,680.51x = 43,035,438,562.13 - Step 5: Solve for x
x = 43,035,438,562.13/230,680.51 - Step 6: Final answer
x = 186,558.62
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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.