Finding the Fourth Proportional to 392,578.08, 541,757.84 and 213,730.08
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Solution
The fourth proportional to 392,578.08, 541,757.84 and 213,730.08 is: 294,947.56
Step by Step Solution
- Step 1: Write the proportion equation
392,578.08 : 541,757.84 = 213,730.08 : x - Step 2: Convert to fraction form
392,578.08/541,757.84 = 213,730.08/x - Step 3: Cross multiply
392,578.08x = 541,757.84 × 213,730.08 - Step 4: Simplify right side
392,578.08x = 115,789,946,483.83 - Step 5: Solve for x
x = 115,789,946,483.83/392,578.08 - Step 6: Final answer
x = 294,947.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.