Finding the Fourth Proportional to 351,873.57, 485,573.68 and 208,548.52
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Solution
The fourth proportional to 351,873.57, 485,573.68 and 208,548.52 is: 287,789.94
Step by Step Solution
- Step 1: Write the proportion equation
351,873.57 : 485,573.68 = 208,548.52 : x - Step 2: Convert to fraction form
351,873.57/485,573.68 = 208,548.52/x - Step 3: Cross multiply
351,873.57x = 485,573.68 × 208,548.52 - Step 4: Simplify right side
351,873.57x = 101,265,671,793.58 - Step 5: Solve for x
x = 101,265,671,793.58/351,873.57 - Step 6: Final answer
x = 287,789.94
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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.