Finding the Fourth Proportional to 307,822.40, 424,891.68 and 180,549.44
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Solution
The fourth proportional to 307,822.40, 424,891.68 and 180,549.44 is: 249,214.99
Step by Step Solution
- Step 1: Write the proportion equation
307,822.40 : 424,891.68 = 180,549.44 : x - Step 2: Convert to fraction form
307,822.40/424,891.68 = 180,549.44/x - Step 3: Cross multiply
307,822.40x = 424,891.68 × 180,549.44 - Step 4: Simplify right side
307,822.40x = 76,713,954,884.66 - Step 5: Solve for x
x = 76,713,954,884.66/307,822.40 - Step 6: Final answer
x = 249,214.99
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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.