Finding the Fourth Proportional to 411,711.80, 568,054.28 and 237,239.08
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Solution
The fourth proportional to 411,711.80, 568,054.28 and 237,239.08 is: 327,327.70
Step by Step Solution
- Step 1: Write the proportion equation
411,711.80 : 568,054.28 = 237,239.08 : x - Step 2: Convert to fraction form
411,711.80/568,054.28 = 237,239.08/x - Step 3: Cross multiply
411,711.80x = 568,054.28 × 237,239.08 - Step 4: Simplify right side
411,711.80x = 134,764,673,950.22 - Step 5: Solve for x
x = 134,764,673,950.22/411,711.80 - Step 6: Final answer
x = 327,327.70
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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.