Finding the Fourth Proportional to 180,074.08, 270,142.80 and 69,257.44
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Solution
The fourth proportional to 180,074.08, 270,142.80 and 69,257.44 is: 103,898.34
Step by Step Solution
- Step 1: Write the proportion equation
180,074.08 : 270,142.80 = 69,257.44 : x - Step 2: Convert to fraction form
180,074.08/270,142.80 = 69,257.44/x - Step 3: Cross multiply
180,074.08x = 270,142.80 × 69,257.44 - Step 4: Simplify right side
180,074.08x = 18,709,398,762.43 - Step 5: Solve for x
x = 18,709,398,762.43/180,074.08 - Step 6: Final answer
x = 103,898.34
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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.