Finding the Fourth Proportional to 319,357.14, 440,704.17 and 176,114.58
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Solution
The fourth proportional to 319,357.14, 440,704.17 and 176,114.58 is: 243,033.33
Step by Step Solution
- Step 1: Write the proportion equation
319,357.14 : 440,704.17 = 176,114.58 : x - Step 2: Convert to fraction form
319,357.14/440,704.17 = 176,114.58/x - Step 3: Cross multiply
319,357.14x = 440,704.17 × 176,114.58 - Step 4: Simplify right side
319,357.14x = 77,614,429,803.80 - Step 5: Solve for x
x = 77,614,429,803.80/319,357.14 - Step 6: Final answer
x = 243,033.33
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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.