Finding the Fourth Proportional to 306,958.40, 460,437.60 and 96,660.80
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Solution
The fourth proportional to 306,958.40, 460,437.60 and 96,660.80 is: 144,991.20
Step by Step Solution
- Step 1: Write the proportion equation
306,958.40 : 460,437.60 = 96,660.80 : x - Step 2: Convert to fraction form
306,958.40/460,437.60 = 96,660.80/x - Step 3: Cross multiply
306,958.40x = 460,437.60 × 96,660.80 - Step 4: Simplify right side
306,958.40x = 44,506,266,766.08 - Step 5: Solve for x
x = 44,506,266,766.08/306,958.40 - Step 6: Final answer
x = 144,991.20
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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.