Finding the Fourth Proportional to 165,199.04, 248,909.12 and 149,421.66
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Solution
The fourth proportional to 165,199.04, 248,909.12 and 149,421.66 is: 225,136.99
Step by Step Solution
- Step 1: Write the proportion equation
165,199.04 : 248,909.12 = 149,421.66 : x - Step 2: Convert to fraction form
165,199.04/248,909.12 = 149,421.66/x - Step 3: Cross multiply
165,199.04x = 248,909.12 × 149,421.66 - Step 4: Simplify right side
165,199.04x = 37,192,413,899.54 - Step 5: Solve for x
x = 37,192,413,899.54/165,199.04 - Step 6: Final answer
x = 225,136.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.