Finding the Fourth Proportional to 185,065.43, 255,820.70 and 165,119.99
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Solution
The fourth proportional to 185,065.43, 255,820.70 and 165,119.99 is: 228,249.60
Step by Step Solution
- Step 1: Write the proportion equation
185,065.43 : 255,820.70 = 165,119.99 : x - Step 2: Convert to fraction form
185,065.43/255,820.70 = 165,119.99/x - Step 3: Cross multiply
185,065.43x = 255,820.70 × 165,119.99 - Step 4: Simplify right side
185,065.43x = 42,241,110,600.19 - Step 5: Solve for x
x = 42,241,110,600.19/185,065.43 - Step 6: Final answer
x = 228,249.60
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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.