Finding the Fourth Proportional to 165,407.13, 248,192.64 and 65,565.09
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Solution
The fourth proportional to 165,407.13, 248,192.64 and 65,565.09 is: 98,380.12
Step by Step Solution
- Step 1: Write the proportion equation
165,407.13 : 248,192.64 = 65,565.09 : x - Step 2: Convert to fraction form
165,407.13/248,192.64 = 65,565.09/x - Step 3: Cross multiply
165,407.13x = 248,192.64 × 65,565.09 - Step 4: Simplify right side
165,407.13x = 16,272,772,778.94 - Step 5: Solve for x
x = 16,272,772,778.94/165,407.13 - Step 6: Final answer
x = 98,380.12
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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.