Finding the Fourth Proportional to 347,614.97, 479,460.83 and 319,026.78
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Solution
The fourth proportional to 347,614.97, 479,460.83 and 319,026.78 is: 440,029.52
Step by Step Solution
- Step 1: Write the proportion equation
347,614.97 : 479,460.83 = 319,026.78 : x - Step 2: Convert to fraction form
347,614.97/479,460.83 = 319,026.78/x - Step 3: Cross multiply
347,614.97x = 479,460.83 × 319,026.78 - Step 4: Simplify right side
347,614.97x = 152,960,844,731.03 - Step 5: Solve for x
x = 152,960,844,731.03/347,614.97 - Step 6: Final answer
x = 440,029.52
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1.5x scale
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.