Finding the Fourth Proportional to 173,765.10, 261,204.45 and 161,438.70
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Solution
The fourth proportional to 173,765.10, 261,204.45 and 161,438.70 is: 242,675.35
Step by Step Solution
- Step 1: Write the proportion equation
173,765.10 : 261,204.45 = 161,438.70 : x - Step 2: Convert to fraction form
173,765.10/261,204.45 = 161,438.70/x - Step 3: Cross multiply
173,765.10x = 261,204.45 × 161,438.70 - Step 4: Simplify right side
173,765.10x = 42,168,506,842.22 - Step 5: Solve for x
x = 42,168,506,842.22/173,765.10 - Step 6: Final answer
x = 242,675.35
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1.5x scale
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.