Finding the Fourth Proportional to 407,331.06, 610,850.79 and 141,020.07
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Solution
The fourth proportional to 407,331.06, 610,850.79 and 141,020.07 is: 211,479.63
Step by Step Solution
- Step 1: Write the proportion equation
407,331.06 : 610,850.79 = 141,020.07 : x - Step 2: Convert to fraction form
407,331.06/610,850.79 = 141,020.07/x - Step 3: Cross multiply
407,331.06x = 610,850.79 × 141,020.07 - Step 4: Simplify right side
407,331.06x = 86,142,221,165.36 - Step 5: Solve for x
x = 86,142,221,165.36/407,331.06 - Step 6: Final answer
x = 211,479.63
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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.