Finding the Fourth Proportional to 225,877.98, 338,615.96 and 85,735.02
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Solution
The fourth proportional to 225,877.98, 338,615.96 and 85,735.02 is: 128,526.23
Step by Step Solution
- Step 1: Write the proportion equation
225,877.98 : 338,615.96 = 85,735.02 : x - Step 2: Convert to fraction form
225,877.98/338,615.96 = 85,735.02/x - Step 3: Cross multiply
225,877.98x = 338,615.96 × 85,735.02 - Step 4: Simplify right side
225,877.98x = 29,031,245,674.24 - Step 5: Solve for x
x = 29,031,245,674.24/225,877.98 - Step 6: Final answer
x = 128,526.23
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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.