Finding the Fourth Proportional to 178,104.98, 267,074.42 and 103,246.53
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Solution
The fourth proportional to 178,104.98, 267,074.42 and 103,246.53 is: 154,821.65
Step by Step Solution
- Step 1: Write the proportion equation
178,104.98 : 267,074.42 = 103,246.53 : x - Step 2: Convert to fraction form
178,104.98/267,074.42 = 103,246.53/x - Step 3: Cross multiply
178,104.98x = 267,074.42 × 103,246.53 - Step 4: Simplify right side
178,104.98x = 27,574,506,600.53 - Step 5: Solve for x
x = 27,574,506,600.53/178,104.98 - Step 6: Final answer
x = 154,821.65
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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.