Finding the Fourth Proportional to 440,163.13, 607,427.64 and 258,882.70
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Solution
The fourth proportional to 440,163.13, 607,427.64 and 258,882.70 is: 357,259.61
Step by Step Solution
- Step 1: Write the proportion equation
440,163.13 : 607,427.64 = 258,882.70 : x - Step 2: Convert to fraction form
440,163.13/607,427.64 = 258,882.70/x - Step 3: Cross multiply
440,163.13x = 607,427.64 × 258,882.70 - Step 4: Simplify right side
440,163.13x = 157,252,507,497.83 - Step 5: Solve for x
x = 157,252,507,497.83/440,163.13 - Step 6: Final answer
x = 357,259.61
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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.