Finding the Fourth Proportional to 204,574.98, 306,719.84 and 90,660.74
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Solution
The fourth proportional to 204,574.98, 306,719.84 and 90,660.74 is: 135,927.90
Step by Step Solution
- Step 1: Write the proportion equation
204,574.98 : 306,719.84 = 90,660.74 : x - Step 2: Convert to fraction form
204,574.98/306,719.84 = 90,660.74/x - Step 3: Cross multiply
204,574.98x = 306,719.84 × 90,660.74 - Step 4: Simplify right side
204,574.98x = 27,807,447,667.08 - Step 5: Solve for x
x = 27,807,447,667.08/204,574.98 - Step 6: Final answer
x = 135,927.90
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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.