Finding the Fourth Proportional to 204,506.76, 306,809.87 and 69,579.79
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Solution
The fourth proportional to 204,506.76, 306,809.87 and 69,579.79 is: 104,386.60
Step by Step Solution
- Step 1: Write the proportion equation
204,506.76 : 306,809.87 = 69,579.79 : x - Step 2: Convert to fraction form
204,506.76/306,809.87 = 69,579.79/x - Step 3: Cross multiply
204,506.76x = 306,809.87 × 69,579.79 - Step 4: Simplify right side
204,506.76x = 21,347,766,324.53 - Step 5: Solve for x
x = 21,347,766,324.53/204,506.76 - Step 6: Final answer
x = 104,386.60
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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.