Finding the Fourth Proportional to 253,527.24, 349,871.74 and 138,803.96
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Solution
The fourth proportional to 253,527.24, 349,871.74 and 138,803.96 is: 191,551.74
Step by Step Solution
- Step 1: Write the proportion equation
253,527.24 : 349,871.74 = 138,803.96 : x - Step 2: Convert to fraction form
253,527.24/349,871.74 = 138,803.96/x - Step 3: Cross multiply
253,527.24x = 349,871.74 × 138,803.96 - Step 4: Simplify right side
253,527.24x = 48,563,583,004.09 - Step 5: Solve for x
x = 48,563,583,004.09/253,527.24 - Step 6: Final answer
x = 191,551.74
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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.