Finding the Fourth Proportional to 287,365.41, 396,564.12 and 166,576.69
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Solution
The fourth proportional to 287,365.41, 396,564.12 and 166,576.69 is: 229,875.75
Step by Step Solution
- Step 1: Write the proportion equation
287,365.41 : 396,564.12 = 166,576.69 : x - Step 2: Convert to fraction form
287,365.41/396,564.12 = 166,576.69/x - Step 3: Cross multiply
287,365.41x = 396,564.12 × 166,576.69 - Step 4: Simplify right side
287,365.41x = 66,058,338,482.36 - Step 5: Solve for x
x = 66,058,338,482.36/287,365.41 - Step 6: Final answer
x = 229,875.75
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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.