Finding the Fourth Proportional to 165,090.21, 247,623.20 and 52,740.26
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Solution
The fourth proportional to 165,090.21, 247,623.20 and 52,740.26 is: 79,106.52
Step by Step Solution
- Step 1: Write the proportion equation
165,090.21 : 247,623.20 = 52,740.26 : x - Step 2: Convert to fraction form
165,090.21/247,623.20 = 52,740.26/x - Step 3: Cross multiply
165,090.21x = 247,623.20 × 52,740.26 - Step 4: Simplify right side
165,090.21x = 13,059,711,950.03 - Step 5: Solve for x
x = 13,059,711,950.03/165,090.21 - Step 6: Final answer
x = 79,106.52
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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.