Finding the Fourth Proportional to 508,717.49, 702,038.96 and 279,296.13
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Solution
The fourth proportional to 508,717.49, 702,038.96 and 279,296.13 is: 385,433.50
Step by Step Solution
- Step 1: Write the proportion equation
508,717.49 : 702,038.96 = 279,296.13 : x - Step 2: Convert to fraction form
508,717.49/702,038.96 = 279,296.13/x - Step 3: Cross multiply
508,717.49x = 702,038.96 × 279,296.13 - Step 4: Simplify right side
508,717.49x = 196,076,764,637.23 - Step 5: Solve for x
x = 196,076,764,637.23/508,717.49 - Step 6: Final answer
x = 385,433.50
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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.