Finding the Fourth Proportional to 165,741.16, 228,739.32 and 101,206.84
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Solution
The fourth proportional to 165,741.16, 228,739.32 and 101,206.84 is: 139,675.53
Step by Step Solution
- Step 1: Write the proportion equation
165,741.16 : 228,739.32 = 101,206.84 : x - Step 2: Convert to fraction form
165,741.16/228,739.32 = 101,206.84/x - Step 3: Cross multiply
165,741.16x = 228,739.32 × 101,206.84 - Step 4: Simplify right side
165,741.16x = 23,149,983,760.95 - Step 5: Solve for x
x = 23,149,983,760.95/165,741.16 - Step 6: Final answer
x = 139,675.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.