Finding the Fourth Proportional to 165,858.21, 228,652.44 and 140,261.66
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Solution
The fourth proportional to 165,858.21, 228,652.44 and 140,261.66 is: 193,364.98
Step by Step Solution
- Step 1: Write the proportion equation
165,858.21 : 228,652.44 = 140,261.66 : x - Step 2: Convert to fraction form
165,858.21/228,652.44 = 140,261.66/x - Step 3: Cross multiply
165,858.21x = 228,652.44 × 140,261.66 - Step 4: Simplify right side
165,858.21x = 32,071,169,654.19 - Step 5: Solve for x
x = 32,071,169,654.19/165,858.21 - Step 6: Final answer
x = 193,364.98
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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.