Finding the Fourth Proportional to 253,525.24, 349,868.98 and 138,801.96
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Solution
The fourth proportional to 253,525.24, 349,868.98 and 138,801.96 is: 191,548.98
Step by Step Solution
- Step 1: Write the proportion equation
253,525.24 : 349,868.98 = 138,801.96 : x - Step 2: Convert to fraction form
253,525.24/349,868.98 = 138,801.96/x - Step 3: Cross multiply
253,525.24x = 349,868.98 × 138,801.96 - Step 4: Simplify right side
253,525.24x = 48,562,500,167.20 - Step 5: Solve for x
x = 48,562,500,167.20/253,525.24 - Step 6: Final answer
x = 191,548.98
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1.5x scale
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.