Finding the Fourth Proportional to 345,684.08, 477,045.92 and 192,731.81
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Solution
The fourth proportional to 345,684.08, 477,045.92 and 192,731.81 is: 265,970.95
Step by Step Solution
- Step 1: Write the proportion equation
345,684.08 : 477,045.92 = 192,731.81 : x - Step 2: Convert to fraction form
345,684.08/477,045.92 = 192,731.81/x - Step 3: Cross multiply
345,684.08x = 477,045.92 × 192,731.81 - Step 4: Simplify right side
345,684.08x = 91,941,920,265.83 - Step 5: Solve for x
x = 91,941,920,265.83/345,684.08 - Step 6: Final answer
x = 265,970.95
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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.