Finding the Fourth Proportional to 165,783.80, 248,675.70 and 113,295.80
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Solution
The fourth proportional to 165,783.80, 248,675.70 and 113,295.80 is: 169,943.70
Step by Step Solution
- Step 1: Write the proportion equation
165,783.80 : 248,675.70 = 113,295.80 : x - Step 2: Convert to fraction form
165,783.80/248,675.70 = 113,295.80/x - Step 3: Cross multiply
165,783.80x = 248,675.70 × 113,295.80 - Step 4: Simplify right side
165,783.80x = 28,173,912,372.06 - Step 5: Solve for x
x = 28,173,912,372.06/165,783.80 - Step 6: Final answer
x = 169,943.70
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1.5x scale
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.