Finding the Fourth Proportional to 242,343.98, 334,445.73 and 134,920.84
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Solution
The fourth proportional to 242,343.98, 334,445.73 and 134,920.84 is: 186,196.90
Step by Step Solution
- Step 1: Write the proportion equation
242,343.98 : 334,445.73 = 134,920.84 : x - Step 2: Convert to fraction form
242,343.98/334,445.73 = 134,920.84/x - Step 3: Cross multiply
242,343.98x = 334,445.73 × 134,920.84 - Step 4: Simplify right side
242,343.98x = 45,123,697,153.78 - Step 5: Solve for x
x = 45,123,697,153.78/242,343.98 - Step 6: Final answer
x = 186,196.90
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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.