Finding the Fourth Proportional to 399,309.57, 598,799.12 and 162,491.49
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Solution
The fourth proportional to 399,309.57, 598,799.12 and 162,491.49 is: 243,669.99
Step by Step Solution
- Step 1: Write the proportion equation
399,309.57 : 598,799.12 = 162,491.49 : x - Step 2: Convert to fraction form
399,309.57/598,799.12 = 162,491.49/x - Step 3: Cross multiply
399,309.57x = 598,799.12 × 162,491.49 - Step 4: Simplify right side
399,309.57x = 97,299,760,407.03 - Step 5: Solve for x
x = 97,299,760,407.03/399,309.57 - Step 6: Final answer
x = 243,669.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.