Finding the Fourth Proportional to 372,605.40, 514,192.32 and 202,839.12
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Solution
The fourth proportional to 372,605.40, 514,192.32 and 202,839.12 is: 279,916.28
Step by Step Solution
- Step 1: Write the proportion equation
372,605.40 : 514,192.32 = 202,839.12 : x - Step 2: Convert to fraction form
372,605.40/514,192.32 = 202,839.12/x - Step 3: Cross multiply
372,605.40x = 514,192.32 × 202,839.12 - Step 4: Simplify right side
372,605.40x = 104,298,317,699.56 - Step 5: Solve for x
x = 104,298,317,699.56/372,605.40 - Step 6: Final answer
x = 279,916.28
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1.5x scale
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.