Finding the Fourth Proportional to 347,276.70, 520,137.45 and 285,068.70
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Solution
The fourth proportional to 347,276.70, 520,137.45 and 285,068.70 is: 426,964.74
Step by Step Solution
- Step 1: Write the proportion equation
347,276.70 : 520,137.45 = 285,068.70 : x - Step 2: Convert to fraction form
347,276.70/520,137.45 = 285,068.70/x - Step 3: Cross multiply
347,276.70x = 520,137.45 × 285,068.70 - Step 4: Simplify right side
347,276.70x = 148,274,906,692.82 - Step 5: Solve for x
x = 148,274,906,692.82/347,276.70 - Step 6: Final answer
x = 426,964.74
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1.5x scale
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.