Finding the Fourth Proportional to 204,870.16, 307,448.88 and 84,928.96
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Solution
The fourth proportional to 204,870.16, 307,448.88 and 84,928.96 is: 127,452.99
Step by Step Solution
- Step 1: Write the proportion equation
204,870.16 : 307,448.88 = 84,928.96 : x - Step 2: Convert to fraction form
204,870.16/307,448.88 = 84,928.96/x - Step 3: Cross multiply
204,870.16x = 307,448.88 × 84,928.96 - Step 4: Simplify right side
204,870.16x = 26,111,313,631.56 - Step 5: Solve for x
x = 26,111,313,631.56/204,870.16 - Step 6: Final answer
x = 127,452.99
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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.