Finding the Fourth Proportional to 460,409.79, 635,463.49 and 309,419.31
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Solution
The fourth proportional to 460,409.79, 635,463.49 and 309,419.31 is: 427,064.50
Step by Step Solution
- Step 1: Write the proportion equation
460,409.79 : 635,463.49 = 309,419.31 : x - Step 2: Convert to fraction form
460,409.79/635,463.49 = 309,419.31/x - Step 3: Cross multiply
460,409.79x = 635,463.49 × 309,419.31 - Step 4: Simplify right side
460,409.79x = 196,624,674,605.99 - Step 5: Solve for x
x = 196,624,674,605.99/460,409.79 - Step 6: Final answer
x = 427,064.50
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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.