Finding the Fourth Proportional to 438,969.63, 605,775.99 and 245,377.30
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Solution
The fourth proportional to 438,969.63, 605,775.99 and 245,377.30 is: 338,619.50
Step by Step Solution
- Step 1: Write the proportion equation
438,969.63 : 605,775.99 = 245,377.30 : x - Step 2: Convert to fraction form
438,969.63/605,775.99 = 245,377.30/x - Step 3: Cross multiply
438,969.63x = 605,775.99 × 245,377.30 - Step 4: Simplify right side
438,969.63x = 148,643,676,682.46 - Step 5: Solve for x
x = 148,643,676,682.46/438,969.63 - Step 6: Final answer
x = 338,619.50
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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.