Finding the Fourth Proportional to 296,784.97, 445,177.64 and 208,432.91
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Solution
The fourth proportional to 296,784.97, 445,177.64 and 208,432.91 is: 312,649.50
Step by Step Solution
- Step 1: Write the proportion equation
296,784.97 : 445,177.64 = 208,432.91 : x - Step 2: Convert to fraction form
296,784.97/445,177.64 = 208,432.91/x - Step 3: Cross multiply
296,784.97x = 445,177.64 × 208,432.91 - Step 4: Simplify right side
296,784.97x = 92,789,669,929.97 - Step 5: Solve for x
x = 92,789,669,929.97/296,784.97 - Step 6: Final answer
x = 312,649.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.