Finding the Fourth Proportional to 388,593.64, 532,763.93 and 381,508.84
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Solution
The fourth proportional to 388,593.64, 532,763.93 and 381,508.84 is: 523,050.63
Step by Step Solution
- Step 1: Write the proportion equation
388,593.64 : 532,763.93 = 381,508.84 : x - Step 2: Convert to fraction form
388,593.64/532,763.93 = 381,508.84/x - Step 3: Cross multiply
388,593.64x = 532,763.93 × 381,508.84 - Step 4: Simplify right side
388,593.64x = 203,254,148,928.14 - Step 5: Solve for x
x = 203,254,148,928.14/388,593.64 - Step 6: Final answer
x = 523,050.63
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.