Finding the Fourth Proportional to 432,863.93, 649,265.09 and 133,313.28
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Solution
The fourth proportional to 432,863.93, 649,265.09 and 133,313.28 is: 199,960.42
Step by Step Solution
- Step 1: Write the proportion equation
432,863.93 : 649,265.09 = 133,313.28 : x - Step 2: Convert to fraction form
432,863.93/649,265.09 = 133,313.28/x - Step 3: Cross multiply
432,863.93x = 649,265.09 × 133,313.28 - Step 4: Simplify right side
432,863.93x = 86,555,655,636.08 - Step 5: Solve for x
x = 86,555,655,636.08/432,863.93 - Step 6: Final answer
x = 199,960.42
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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.