Finding the Fourth Proportional to 658,846.14, 909,207.63 and 357,040.14
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Solution
The fourth proportional to 658,846.14, 909,207.63 and 357,040.14 is: 492,715.37
Step by Step Solution
- Step 1: Write the proportion equation
658,846.14 : 909,207.63 = 357,040.14 : x - Step 2: Convert to fraction form
658,846.14/909,207.63 = 357,040.14/x - Step 3: Cross multiply
658,846.14x = 909,207.63 × 357,040.14 - Step 4: Simplify right side
658,846.14x = 324,623,619,504.27 - Step 5: Solve for x
x = 324,623,619,504.27/658,846.14 - Step 6: Final answer
x = 492,715.37
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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.