Finding the Fourth Proportional to 556,816.49, 768,407.25 and 302,167.68
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Solution
The fourth proportional to 556,816.49, 768,407.25 and 302,167.68 is: 416,991.66
Step by Step Solution
- Step 1: Write the proportion equation
556,816.49 : 768,407.25 = 302,167.68 : x - Step 2: Convert to fraction form
556,816.49/768,407.25 = 302,167.68/x - Step 3: Cross multiply
556,816.49x = 768,407.25 × 302,167.68 - Step 4: Simplify right side
556,816.49x = 232,187,836,027.68 - Step 5: Solve for x
x = 232,187,836,027.68/556,816.49 - Step 6: Final answer
x = 416,991.66
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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.