Finding the Fourth Proportional to 416,579.13, 574,878.06 and 225,592.47
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Solution
The fourth proportional to 416,579.13, 574,878.06 and 225,592.47 is: 311,316.99
Step by Step Solution
- Step 1: Write the proportion equation
416,579.13 : 574,878.06 = 225,592.47 : x - Step 2: Convert to fraction form
416,579.13/574,878.06 = 225,592.47/x - Step 3: Cross multiply
416,579.13x = 574,878.06 × 225,592.47 - Step 4: Simplify right side
416,579.13x = 129,688,161,504.21 - Step 5: Solve for x
x = 129,688,161,504.21/416,579.13 - Step 6: Final answer
x = 311,316.99
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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.