Finding the Fourth Proportional to 287,675.44, 396,982.92 and 180,303.44
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Solution
The fourth proportional to 287,675.44, 396,982.92 and 180,303.44 is: 248,812.99
Step by Step Solution
- Step 1: Write the proportion equation
287,675.44 : 396,982.92 = 180,303.44 : x - Step 2: Convert to fraction form
287,675.44/396,982.92 = 180,303.44/x - Step 3: Cross multiply
287,675.44x = 396,982.92 × 180,303.44 - Step 4: Simplify right side
287,675.44x = 71,577,386,097.24 - Step 5: Solve for x
x = 71,577,386,097.24/287,675.44 - Step 6: Final answer
x = 248,812.99
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1.5x scale
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.