Finding the Fourth Proportional to 486,202.55, 670,968.41 and 268,437.09
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Solution
The fourth proportional to 486,202.55, 670,968.41 and 268,437.09 is: 370,448.09
Step by Step Solution
- Step 1: Write the proportion equation
486,202.55 : 670,968.41 = 268,437.09 : x - Step 2: Convert to fraction form
486,202.55/670,968.41 = 268,437.09/x - Step 3: Cross multiply
486,202.55x = 670,968.41 × 268,437.09 - Step 4: Simplify right side
486,202.55x = 180,112,807,462.33 - Step 5: Solve for x
x = 180,112,807,462.33/486,202.55 - Step 6: Final answer
x = 370,448.09
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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.