Finding the Fourth Proportional to 486,936.09, 730,482.62 and 149,976.63
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Solution
The fourth proportional to 486,936.09, 730,482.62 and 149,976.63 is: 224,989.12
Step by Step Solution
- Step 1: Write the proportion equation
486,936.09 : 730,482.62 = 149,976.63 : x - Step 2: Convert to fraction form
486,936.09/730,482.62 = 149,976.63/x - Step 3: Cross multiply
486,936.09x = 730,482.62 × 149,976.63 - Step 4: Simplify right side
486,936.09x = 109,555,320,871.29 - Step 5: Solve for x
x = 109,555,320,871.29/486,936.09 - Step 6: Final answer
x = 224,989.12
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1.5x scale
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.