Finding the Fourth Proportional to 253,903.68, 350,205.12 and 167,762.88
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Solution
The fourth proportional to 253,903.68, 350,205.12 and 167,762.88 is: 231,392.55
Step by Step Solution
- Step 1: Write the proportion equation
253,903.68 : 350,205.12 = 167,762.88 : x - Step 2: Convert to fraction form
253,903.68/350,205.12 = 167,762.88/x - Step 3: Cross multiply
253,903.68x = 350,205.12 × 167,762.88 - Step 4: Simplify right side
253,903.68x = 58,751,419,521.95 - Step 5: Solve for x
x = 58,751,419,521.95/253,903.68 - Step 6: Final answer
x = 231,392.55
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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.