Finding the Fourth Proportional to 178,279.88, 246,028.12 and 97,705.62
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Solution
The fourth proportional to 178,279.88, 246,028.12 and 97,705.62 is: 134,834.79
Step by Step Solution
- Step 1: Write the proportion equation
178,279.88 : 246,028.12 = 97,705.62 : x - Step 2: Convert to fraction form
178,279.88/246,028.12 = 97,705.62/x - Step 3: Cross multiply
178,279.88x = 246,028.12 × 97,705.62 - Step 4: Simplify right side
178,279.88x = 24,038,330,002.03 - Step 5: Solve for x
x = 24,038,330,002.03/178,279.88 - Step 6: Final answer
x = 134,834.79
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1.5x scale
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.