Finding the Fourth Proportional to 416,130.48, 573,737.24 and 339,571.81
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Solution
The fourth proportional to 416,130.48, 573,737.24 and 339,571.81 is: 468,182.47
Step by Step Solution
- Step 1: Write the proportion equation
416,130.48 : 573,737.24 = 339,571.81 : x - Step 2: Convert to fraction form
416,130.48/573,737.24 = 339,571.81/x - Step 3: Cross multiply
416,130.48x = 573,737.24 × 339,571.81 - Step 4: Simplify right side
416,130.48x = 194,824,994,617.31 - Step 5: Solve for x
x = 194,824,994,617.31/416,130.48 - Step 6: Final answer
x = 468,182.47
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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.