Finding the Fourth Proportional to 427,393.98, 640,524.68 and 227,283.48
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Solution
The fourth proportional to 427,393.98, 640,524.68 and 227,283.48 is: 340,624.07
Step by Step Solution
- Step 1: Write the proportion equation
427,393.98 : 640,524.68 = 227,283.48 : x - Step 2: Convert to fraction form
427,393.98/640,524.68 = 227,283.48/x - Step 3: Cross multiply
427,393.98x = 640,524.68 × 227,283.48 - Step 4: Simplify right side
427,393.98x = 145,580,678,296.29 - Step 5: Solve for x
x = 145,580,678,296.29/427,393.98 - Step 6: Final answer
x = 340,624.07
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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.