Finding the Fourth Proportional to 421,267.92, 581,349.69 and 230,282.07
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Solution
The fourth proportional to 421,267.92, 581,349.69 and 230,282.07 is: 317,789.23
Step by Step Solution
- Step 1: Write the proportion equation
421,267.92 : 581,349.69 = 230,282.07 : x - Step 2: Convert to fraction form
421,267.92/581,349.69 = 230,282.07/x - Step 3: Cross multiply
421,267.92x = 581,349.69 × 230,282.07 - Step 4: Simplify right side
421,267.92x = 133,874,410,007.06 - Step 5: Solve for x
x = 133,874,410,007.06/421,267.92 - Step 6: Final answer
x = 317,789.23
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.