Finding the Fourth Proportional to 306,864.48, 460,218.96 and 129,370.08
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Solution
The fourth proportional to 306,864.48, 460,218.96 and 129,370.08 is: 194,022.34
Step by Step Solution
- Step 1: Write the proportion equation
306,864.48 : 460,218.96 = 129,370.08 : x - Step 2: Convert to fraction form
306,864.48/460,218.96 = 129,370.08/x - Step 3: Cross multiply
306,864.48x = 460,218.96 × 129,370.08 - Step 4: Simplify right side
306,864.48x = 59,538,563,672.72 - Step 5: Solve for x
x = 59,538,563,672.72/306,864.48 - Step 6: Final answer
x = 194,022.34
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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.