Finding the Fourth Proportional to 418,878.24, 578,045.61 and 227,887.26
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Solution
The fourth proportional to 418,878.24, 578,045.61 and 227,887.26 is: 314,480.96
Step by Step Solution
- Step 1: Write the proportion equation
418,878.24 : 578,045.61 = 227,887.26 : x - Step 2: Convert to fraction form
418,878.24/578,045.61 = 227,887.26/x - Step 3: Cross multiply
418,878.24x = 578,045.61 × 227,887.26 - Step 4: Simplify right side
418,878.24x = 131,729,230,217.93 - Step 5: Solve for x
x = 131,729,230,217.93/418,878.24 - Step 6: Final answer
x = 314,480.96
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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.