Finding the Fourth Proportional to 670,374.63, 925,135.22 and 364,471.58
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Solution
The fourth proportional to 670,374.63, 925,135.22 and 364,471.58 is: 502,980.70
Step by Step Solution
- Step 1: Write the proportion equation
670,374.63 : 925,135.22 = 364,471.58 : x - Step 2: Convert to fraction form
670,374.63/925,135.22 = 364,471.58/x - Step 3: Cross multiply
670,374.63x = 925,135.22 × 364,471.58 - Step 4: Simplify right side
670,374.63x = 337,185,498,571.07 - Step 5: Solve for x
x = 337,185,498,571.07/670,374.63 - Step 6: Final answer
x = 502,980.70
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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.