Finding the Fourth Proportional to 378,599.04, 522,447.84 and 208,828.80
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Solution
The fourth proportional to 378,599.04, 522,447.84 and 208,828.80 is: 288,173.35
Step by Step Solution
- Step 1: Write the proportion equation
378,599.04 : 522,447.84 = 208,828.80 : x - Step 2: Convert to fraction form
378,599.04/522,447.84 = 208,828.80/x - Step 3: Cross multiply
378,599.04x = 522,447.84 × 208,828.80 - Step 4: Simplify right side
378,599.04x = 109,102,155,489.79 - Step 5: Solve for x
x = 109,102,155,489.79/378,599.04 - Step 6: Final answer
x = 288,173.35
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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.