Finding the Fourth Proportional to 253,525.55, 350,102.34 and 163,038.66
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Solution
The fourth proportional to 253,525.55, 350,102.34 and 163,038.66 is: 225,145.82
Step by Step Solution
- Step 1: Write the proportion equation
253,525.55 : 350,102.34 = 163,038.66 : x - Step 2: Convert to fraction form
253,525.55/350,102.34 = 163,038.66/x - Step 3: Cross multiply
253,525.55x = 350,102.34 × 163,038.66 - Step 4: Simplify right side
253,525.55x = 57,080,216,376.46 - Step 5: Solve for x
x = 57,080,216,376.46/253,525.55 - Step 6: Final answer
x = 225,145.82
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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.