Finding the Fourth Proportional to 334,751.20, 502,126.80 and 113,135.20
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Solution
The fourth proportional to 334,751.20, 502,126.80 and 113,135.20 is: 169,702.80
Step by Step Solution
- Step 1: Write the proportion equation
334,751.20 : 502,126.80 = 113,135.20 : x - Step 2: Convert to fraction form
334,751.20/502,126.80 = 113,135.20/x - Step 3: Cross multiply
334,751.20x = 502,126.80 × 113,135.20 - Step 4: Simplify right side
334,751.20x = 56,808,215,943.36 - Step 5: Solve for x
x = 56,808,215,943.36/334,751.20 - Step 6: Final answer
x = 169,702.80
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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.