Finding the Fourth Proportional to 165,539.80, 248,309.70 and 155,171.80
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Solution
The fourth proportional to 165,539.80, 248,309.70 and 155,171.80 is: 232,757.70
Step by Step Solution
- Step 1: Write the proportion equation
165,539.80 : 248,309.70 = 155,171.80 : x - Step 2: Convert to fraction form
165,539.80/248,309.70 = 155,171.80/x - Step 3: Cross multiply
165,539.80x = 248,309.70 × 155,171.80 - Step 4: Simplify right side
165,539.80x = 38,530,663,106.46 - Step 5: Solve for x
x = 38,530,663,106.46/165,539.80 - Step 6: Final answer
x = 232,757.70
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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.