Finding the Fourth Proportional to 165,739.41, 228,709.62 and 97,740.80
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Solution
The fourth proportional to 165,739.41, 228,709.62 and 97,740.80 is: 134,875.96
Step by Step Solution
- Step 1: Write the proportion equation
165,739.41 : 228,709.62 = 97,740.80 : x - Step 2: Convert to fraction form
165,739.41/228,709.62 = 97,740.80/x - Step 3: Cross multiply
165,739.41x = 228,709.62 × 97,740.80 - Step 4: Simplify right side
165,739.41x = 22,354,261,226.50 - Step 5: Solve for x
x = 22,354,261,226.50/165,739.41 - Step 6: Final answer
x = 134,875.96
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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.