Finding the Fourth Proportional to 405,862.48, 560,178.50 and 236,118.88
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Solution
The fourth proportional to 405,862.48, 560,178.50 and 236,118.88 is: 325,895.41
Step by Step Solution
- Step 1: Write the proportion equation
405,862.48 : 560,178.50 = 236,118.88 : x - Step 2: Convert to fraction form
405,862.48/560,178.50 = 236,118.88/x - Step 3: Cross multiply
405,862.48x = 560,178.50 × 236,118.88 - Step 4: Simplify right side
405,862.48x = 132,268,720,020.08 - Step 5: Solve for x
x = 132,268,720,020.08/405,862.48 - Step 6: Final answer
x = 325,895.41
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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.