Finding the Fourth Proportional to 320,261.49, 480,229.02 and 106,952.67
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Solution
The fourth proportional to 320,261.49, 480,229.02 and 106,952.67 is: 160,374.50
Step by Step Solution
- Step 1: Write the proportion equation
320,261.49 : 480,229.02 = 106,952.67 : x - Step 2: Convert to fraction form
320,261.49/480,229.02 = 106,952.67/x - Step 3: Cross multiply
320,261.49x = 480,229.02 × 106,952.67 - Step 4: Simplify right side
320,261.49x = 51,361,775,900.48 - Step 5: Solve for x
x = 51,361,775,900.48/320,261.49 - Step 6: Final answer
x = 160,374.50
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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.