Finding the Fourth Proportional to 534,797.60, 737,927.12 and 305,250.08
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Solution
The fourth proportional to 534,797.60, 737,927.12 and 305,250.08 is: 421,191.70
Step by Step Solution
- Step 1: Write the proportion equation
534,797.60 : 737,927.12 = 305,250.08 : x - Step 2: Convert to fraction form
534,797.60/737,927.12 = 305,250.08/x - Step 3: Cross multiply
534,797.60x = 737,927.12 × 305,250.08 - Step 4: Simplify right side
534,797.60x = 225,252,312,414.17 - Step 5: Solve for x
x = 225,252,312,414.17/534,797.60 - Step 6: Final answer
x = 421,191.70
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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.