Finding the Fourth Proportional to 180,783.22, 249,169.26 and 120,245.62
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Solution
The fourth proportional to 180,783.22, 249,169.26 and 120,245.62 is: 165,731.71
Step by Step Solution
- Step 1: Write the proportion equation
180,783.22 : 249,169.26 = 120,245.62 : x - Step 2: Convert to fraction form
180,783.22/249,169.26 = 120,245.62/x - Step 3: Cross multiply
180,783.22x = 249,169.26 × 120,245.62 - Step 4: Simplify right side
180,783.22x = 29,961,512,153.64 - Step 5: Solve for x
x = 29,961,512,153.64/180,783.22 - Step 6: Final answer
x = 165,731.71
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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.