Finding the Fourth Proportional to 153,141.36, 229,709.16 and 83,464.08
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Solution
The fourth proportional to 153,141.36, 229,709.16 and 83,464.08 is: 125,194.55
Step by Step Solution
- Step 1: Write the proportion equation
153,141.36 : 229,709.16 = 83,464.08 : x - Step 2: Convert to fraction form
153,141.36/229,709.16 = 83,464.08/x - Step 3: Cross multiply
153,141.36x = 229,709.16 × 83,464.08 - Step 4: Simplify right side
153,141.36x = 19,172,463,706.97 - Step 5: Solve for x
x = 19,172,463,706.97/153,141.36 - Step 6: Final answer
x = 125,194.55
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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.