Finding the Fourth Proportional to 416,266.13, 574,448.28 and 225,281.63
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Solution
The fourth proportional to 416,266.13, 574,448.28 and 225,281.63 is: 310,889.20
Step by Step Solution
- Step 1: Write the proportion equation
416,266.13 : 574,448.28 = 225,281.63 : x - Step 2: Convert to fraction form
416,266.13/574,448.28 = 225,281.63/x - Step 3: Cross multiply
416,266.13x = 574,448.28 × 225,281.63 - Step 4: Simplify right side
416,266.13x = 129,412,644,869.10 - Step 5: Solve for x
x = 129,412,644,869.10/416,266.13 - Step 6: Final answer
x = 310,889.20
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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.