Finding the Fourth Proportional to 253,765.50, 350,038.02 and 163,239.49
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Solution
The fourth proportional to 253,765.50, 350,038.02 and 163,239.49 is: 225,168.62
Step by Step Solution
- Step 1: Write the proportion equation
253,765.50 : 350,038.02 = 163,239.49 : x - Step 2: Convert to fraction form
253,765.50/350,038.02 = 163,239.49/x - Step 3: Cross multiply
253,765.50x = 350,038.02 × 163,239.49 - Step 4: Simplify right side
253,765.50x = 57,140,027,865.41 - Step 5: Solve for x
x = 57,140,027,865.41/253,765.50 - Step 6: Final answer
x = 225,168.62
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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.