Finding the Fourth Proportional to 272,963.98, 409,168.95 and 104,441.05
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Solution
The fourth proportional to 272,963.98, 409,168.95 and 104,441.05 is: 156,555.58
Step by Step Solution
- Step 1: Write the proportion equation
272,963.98 : 409,168.95 = 104,441.05 : x - Step 2: Convert to fraction form
272,963.98/409,168.95 = 104,441.05/x - Step 3: Cross multiply
272,963.98x = 409,168.95 × 104,441.05 - Step 4: Simplify right side
272,963.98x = 42,734,034,765.40 - Step 5: Solve for x
x = 42,734,034,765.40/272,963.98 - Step 6: Final answer
x = 156,555.58
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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.