Finding the Fourth Proportional to 508,474.68, 762,717.42 and 153,491.64
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Solution
The fourth proportional to 508,474.68, 762,717.42 and 153,491.64 is: 230,239.09
Step by Step Solution
- Step 1: Write the proportion equation
508,474.68 : 762,717.42 = 153,491.64 : x - Step 2: Convert to fraction form
508,474.68/762,717.42 = 153,491.64/x - Step 3: Cross multiply
508,474.68x = 762,717.42 × 153,491.64 - Step 4: Simplify right side
508,474.68x = 117,070,747,652.37 - Step 5: Solve for x
x = 117,070,747,652.37/508,474.68 - Step 6: Final answer
x = 230,239.09
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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.